Hens & Chickens

Words for hen, chicken and related things in Celtic languages:

Hens

Proto-Celtic *kerkā = hen
Old Irish (Goídelc) cerc [kʲerk] = hen, female bird
Middle Irish (Gaoidhealg) cerc [kʲerk] = hen, female bird
Irish (Gaeilge) cearc [kaɾˠk] = hen, female bird
cearcach = gallinaceous (relating to, or resembling the domestic fowl)
Scottish Gaelic (Gàidhlig) cearc [kʲɛrxg] = hen, chicken; poultry; female crab or lobster
cearc-uisge = moorhen
cearc-Fhrangach = turkey
cearc-fhraoich = female red grouse, moorhen
cearcach = of, or belonging to a hen or hens
Manx (Gaelg) kiark = fowl, hen, hen bird, female bird
kiark

Etymology: from the Proto-Indo-European *ḱer- (to grow, nourish) [source]. These words are possibly related to words for heron and crane in Celtic languages.

English words from the same root include cereal, create, increase, creature, crew and crescent [source].

Proto-Celtic *yarā = chicken
Gaulish Iaros = personal name
Old Irish (Goídelc) eirín = pullet, young hen
Middle Irish (Gaoidhealg) eréne, éirín(e) = chicken, chick, pullet
Irish (Gaeilge) eireog = pullet, chicken; young girl, tiny woman
Scottish Gaelic (Gàidhlig) eireag [erʲag] = pullet, young chick(en) (between 8 months and 1 year old)
Manx (Gaelg) earrag = pullet, poult
Old Welsh iar = hen
Middle Welsh (Kymraec) yar = hen
yeyr, yeir = domestic fowls, chickens
yares = flock of chichens
ieirdy = hen-house, hen-coop
Welsh (Cymraeg) iâr [jaːr] = hen, hen-bird
ieir = domestic fowls, chickens
iarbren = perch for hens, hen-roost
iardy, ieirdy = hen-house, hen-coop
iares = flock of chichens
iargyw = chichen, young fowl
ieirwr = poulterer
Middle Cornish (Cernewec) iar, yar = hen, female bird
Cornish (Kernewek) yar = chicken, hen
yar frankres = free-range hen
yar gowellys = battery hen
yar Gyni = turkey
bregh/brygh yar = chicken pox
yarji = chichen coop, hen house
Middle Breton (Brezonec) yar, iar = chicken, hen
Breton (Brezhoneg) yar = chicken, hen

Etymology: unknown

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Gerlyvyr Cernewec, Dictionaire Favereau, TermOfis, Le dictionnaire diachronique du breton, Geriafurch, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Birds and Larks

Words for bird and (sky)lark in Celtic languages.

Proto-Celtic *ɸetnos = bird
Gaulish Etnosus = bird(?)
Old Irish (Goídelc) én [eːn] = bird
Irish (Gaeilge) éan [eːnˠ] = bird, young bird, chick
Scottish Gaelic (Gàidhlig) eun [ian] = bird, fowl, chicken
Manx (Gaelg) eean [jiːən] = chick, fowl, young (of birds); juvenile, cheeky child, brat
Proto-Brythonic edn = bird
Old Welsh atar = birds
Middle Welsh (Kymraec) edn [ˈɛdn] = bird
Welsh (Cymraeg) edn [ˈɛdn] = bird, fowl, fly, bee
adar [ˈadar] = birds
aderyn [aˈdɛrɨ̞n / aˈdeːrɪn] = bird
Old Cornish hethen = bird
Cornish (Kernewek) edhen = bird
Middle Breton ezn = bird
Breton (Brezhoneg) evn = bird

Etymology: from the Proto-Indo-European *péth₂r̥ (wind, feather), which is also the root of the English word feather [source].

Breton (Brezhoneg) labous = bird

Etymology: unknown

Old Irish (Goídelc) uiseóc = lark
Middle Irish (Gaoidhealg) (f)uiseóg = lark, skylark
Irish (Gaeilge) fuiseog = lark, skylark
Scottish Gaelic (Gàidhlig) uiseag [ɯʃag] = lark, skylark
Manx (Gaelg) ushag [ˈoʒaɡ] = bird, shuttlecock

Etymology: unknown

Proto-Celtic *alaudā = bird
Gaulish *alauda [ˈa.lau.daː] = skylark

Etymology: unknown. Also the root of the Latin alauda (lark, skylark), and words for (sky)lark in Romance languages, such as the French alouette, the Spanish alondra and the Italian allodola [source].

Welsh (Cymraeg) ehedydd [ɛˈhɛdɨ̞ð / ɛˈheːdɪð] = lark, skylark; flier, one that flies, bird or fowl
Old Cornish evidit = lark, skylark
Middle Breton ehuedez = lark, skylark

Etymology (Welsh): from ehedeg (to fly) and -ydd (-er) [source].

Cornish (Kernewek) ahwesydh = lark, skylark
Breton (Brezhoneg) alc’hweder = lark, skylark

Etymology: unknown

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Skylark

Hound Dogs

Words for dog in Celtic languages.

Proto-Celtic *kū = dog, wolf
Gaulish cuna = dog
Primitive Irish ᚉᚒᚅᚐ (cuna) = hound, wolf
Old Irish (Goídelc) [kuː] = dog
Irish (Gaeilge) [kuː] = dog, hound, greyhound; wolf; hero, champion
Scottish Gaelic (Gàidhlig) [kuː] = dog, canine
Manx (Gaelg) coo [kuː] = dog, cur, hound, wolf-dog
Proto-Brythonic ki [kiː] = dog
Middle Welsh (Kymraec) ci / ki = dog
Welsh (Cymraeg) ci [kiː] = dog, hound, cur
Old Cornish ci = dog
Cornish (Kernewek) ki [kiː] = dog
Middle Breton ci / qui = dog
Breton (Brezhoneg) ki [kiː] = dog

Etymology: from the Proto-Indo-European *ḱwṓ (dog), which is also the root of the English words hound and canine [source].

Old Irish (Goídelc) madrad, matrad = dog
Middle Irish (Gaoidhealg) matad = common dog, cur
Irish (Gaeilge) madra [ˈmˠad̪ˠɾˠə] / madadh [ˈmˠad̪ˠə / ˈmˠad̪ˠu] = dog, cur
Scottish Gaelic (Gàidhlig) madadh [madəɣ] = dog, mastiff
Manx (Gaelg) moddey [ˈmɔːðə] = dog, tyke
Welsh (Cymraeg) madyn / madog = fox

Etymology: unknown

Old Irish (Goídelc) gagar [ɡaɣər] = beagle, hunting dog
Middle Irish (Gaoidhealg) gadar = beagle, hunting dog
Irish (Gaeilge) gadhar [ɡəiɾˠ] = (hunting) dog, harrier, beagle, cur
Scottish Gaelic (Gàidhlig) gadhar [gɤ.ər] = lurcher, mastiff, greyhound

Etymology: from the Old Norse gagarr [source].

Proto-Celtic *kulēnos = whelp
Old Irish (Goídelc) cuilén [ˈkulʲeːn] = puppy, cub, kitten
Irish (Gaeilge) coiléan [kɪˈlʲaːn̪ˠ] = pup, cub, whelp; youth, scion; trickster
Scottish Gaelic (Gàidhlig) cuilean [kulan] = puppy, whelp; cub; seal pup; darling, dear; short/small bone
Manx (Gaelg) quallian = puppy
Welsh (Cymraeg) colwyn [kiː] = whelp, puppy, cub; lap-dog; spaniel
Old Cornish coloin = puppy
Cornish (Kernewek) kolen [ˈkɔlɪn] = puppy, cub
Breton (Brezhoneg) kolen = puppy, fawn, rabbit

Etymology: unknown

Old Irish (Goídelc) cana [ˈkana] = cub, puppy
Middle Irish (Gaoidhealg) cana [ˈkana] = cub, puppy
Irish (Gaeilge) cana [ˈkanˠə] = cub, whelp; bardic poet of fourth order
Scottish Gaelic (Gàidhlig) cana [kanə] = puppy, whelp
Welsh (Cymraeg) cenau / cenaw = cub, whelp, puppy, kitten; son, descendant, scion, young warrior; knave, imp, rascal; catkin, cat’s tail

Etymology: possibly from the Latin canis (dog), from the Proto-Indo-European *ḱwṓ (dog) [source], or from the Proto-Celtic *kanawo (young animal).

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Irish Wolfhounds

Foxes

Words for fox in Celtic languages.

Old Irish (Goídelc) sinnach / sindach = fox
Irish (Gaeilge) sionnach [ˈʃɪn̪ˠəx / ʃɪˈn̪ˠɑx / ˈʃɪn̪ˠax] = fox
Scottish Gaelic (Gàidhlig) sionnach [ˈʃun̪ˠəx] / seannach [ˈʃan̪ˠəx] = fox, bagpipe reed
Manx (Gaelg) shynnagh = fox

Etymology: unknown

Irish (Gaeilge) madra rua [madəɣ ‘r̪ˠuəɣ] = fox, red fox
Scottish Gaelic (Gàidhlig) madadh-ruadh [madəɣ ‘r̪ˠuəɣ] = fox, red fox

Etymology: from the Old Irish madrad (dog) and the rúad (red) [source].

Scottish Gaelic (Gàidhlig) balgair [bal̪ˠagɛrʲ] = fox

Etymology: unknown.

Proto-Celtic *loɸernos = fox
Gaulish *louernos = fox
Old Irish (Goídelc) loarn = fox
Proto-Brythonic llowern = fox
Old Welsh louern = fox
Middle Welsh (Kymraec) llewyrn = fox
Welsh (Cymraeg) llewyrn = foxes
Old Cornish louuern = fox
Cornish (Kernewek) lowarn = fox
Old Breton louuern = fox
Middle Breton louarn = fox
Breton (Brezhoneg) louarn [ˈluː.aʁn] / luhern = fox

Etymology: from Proto-Indo-European *h₂wlop- (fox) [source].

Welsh (Cymraeg) llwynog [ˈɬʊɨ̯nɔɡ] = fox, a cunning, craft or willy person, bundle
llwynoges = vixen, female fox
llwynogyn = little fox

Etymology: from llwyn (bush, shrub, brake, thicket, copse, grove, arbour, woods, forest) and the suffix -og, from Latin lignum (firewood, tree), Proto-Indo-European *leǵ-no- (that which is collected) [source].

Welsh (Cymraeg) cadno [ˈkadnɔ] = fox; craft person, foxy, deceptive day; bundle of straw used for constructing an air passage in a stack of corn not well-seasoned; skid, scotch, trigger
cadnawes = vixen, female fox

Etymology: probably from the personal name Cadno, from cad (battle), from the Proto-Celtic *katus (battle), from the Proto-Indo-European *kéh₃tus (fight); and the suffix -no, from the Proto-Celtic *gnāw- (knowing) [source].

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Fox

Ants

Words for ant and related things in Celtic languages.

Formica cf. rufibarbis

Words marked with a * are reconstructions.

Old Irish (Goídelc) sengán = ant
Middle Irish (Gaoidhealg) sengán, seangan = ant
Irish (Gaeilge) seangán = ant
seangánach = full of ants
nead seangán = anthill
Scottish Gaelic (Gàidhlig) seangan [ʃɛŋgan] = ant, mean fellow
seangan ‘nad bhriogais = to be fidgety, have the jtters (ants in your breeches)
seangananach [ʃɛŋganəx] = pertaining to or abounding in small ants
Manx (Gaelg) sniengan = ant
snienganagh = ant-infested, formic
crongan sniengan = anthill

Etymology: possibly from the Old Irish seng (thin, slender. meagre) [source].

Proto-Celtic *morwis = ant
Old Irish (Goídelc) moirb [morʲvʲ] = ant
Middle Irish (Gaoidhealg) moirb = ant
Middle Welsh (Kymraec) myr = ant
myrion = ants
morgrug, morcrug = ants
morgrugyn, morcrugyon = ant
Welsh (Cymraeg) mŷr, myrr [mɨːr/miːr] = ant
myrion = ants
myrdwyn = anthill
morgrug [ˈmɔrɡrɨ̞ɡ / ˈmɔrɡrɪɡ] = ants (from mŷr [ant] and crug [hill])
morgrugyn = ant
morgrugaidd, morgrugol = ant-like pertaining to ants, formic
Old Cornish menƿionen = ant
Middle Cornish (Cernewec) menwionen, meuwionen = ant, emmet
Cornish (Kernewek) moryonen = ant, tourists
moryoner = anteater
Old Breton moriuon = ant
Middle Breton (Brezonec) meryen = ant
Breton (Brezhoneg) merien [ˈmɛr.jɛn] = ants
merionenn = ant
merionaer = anteater
merieneg [mɛ.ˈrjẽː.nɛk] = anthill

Etymology: from the Proto-Indo-European *morwi- (ant). Words from the same roots include formic (pertaining to ants) and pismire (ant – archaic) in English, fourmi (ant) in French, mier (ant) in Dutch, maur (ant) in Icelandic and myra (ant) in Swedish [source].

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Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionaire Favereau, TermOfis, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

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Snakes

Words for snake in Celtic languages.

Adder

Proto-Celtic *natrixs = snake
Old Irish (Goídelc) nathir [ˈnaθirʲ] = snake
Middle Irish (Gaoidhealg) nathir = snake
Irish (Gaeilge) nathair [ˈn̪ˠæhəɾʲ] = snake
Scottish Gaelic (Gàidhlig) nathair [n̪ˠahɪrʲ] = snake, serpent, viper, adder
Manx (Gaelg) aarnieu / ardnieu = adder, serpent, snake, viper
Middle Welsh (Kymraec) nadret, nadred, neidyr = snake, serpent
Welsh (Cymraeg) neidr [nei̯dr / ˈnei̯dɪr] = snake, serpent
Old Cornish nadar = snake
Middle Cornish (Cernewec) nader = snake, viper, adder
Cornish (Kernewek) nader = adder
Old Breton natrolion = snakes
Middle Breton nazr, azr, aër, aer = snake
Breton (Brezhoneg) naer = snake

Etymology: from the Proto-Indo-European *(s)neh₁tr- (adder), or from *(s)neh₂- (to swim) [source].

The English word snake comes from a different root: the Old English snaca (snake, serpent, reptile), from the Proto-Germanic *snakô (snake), from *snakaną (to crawl), from the Proto-Indo-European *sneg- (to crawl; a creeping thing) [source].

Welsh (Cymraeg) gwiber = viper, adder, poisonous snake, water-snake, mythical flying serpent, the devil, scoundrel, scold, venomous woman
colwiber snake, serpent, viper
Breton (Brezhoneg) wiber = viper

Etymology: from the Latin vīpera (viper), possibly from vivus-pario (one that gives live young) [source].

Welsh (Cymraeg) sarff = serpent, snake, scorpion; hero, warrior, leader, chieftain
Cornish (Kernewek) serpont = snake, serpent
sarf = serpent
Breton (Brezhoneg) sarpant = snake, dragon, kite

Etymology: from the Latin serpēns (snake), from serpō (I creep, crawl), from the Proto-Indo-European *serp- (to creep, crawl) [source].

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Deer

Words for deer in Celtic languages. There were several different words for deer in Proto-Celtic: *wēdus, *karwos, *ellan(t)ī-, *danī- and *yorkos, and also *sidos (stag). They may have referred to different types of deer, but it is not certain which types, apart from *yorkos, which is a roe deer.

Deer

Proto-Celtic *wēdus [ˈweː.dus] = wild
Old Irish (Goídelc) fíad [fʲiːa̯ð] = wild animals, game, especially deer
Irish (Gaeilge) fia [fʲiə] = deer
Scottish Gaelic (Gàidhlig) fiadh [fiəɣ] = deer
Manx (Gaelg) feeaih = deer

Etymology: from the Proto-Indo-European *weydʰ- (wood, wilderness) [source].

Proto-Celtic *karwos = deer, stag
Gaulish caruus / carvos = deer
Old Irish (Goídelc) carbh = deer
Irish (Gaeilge) carria / cairrfhiadh = deer, stag
Scottish Gaelic (Gàidhlig) cair-fhiadh / carbh-fheadh = hart, stag
Manx (Gaelg) çharroo = stag
Proto-Brythonic *karw = deer, stag
Old Welsh *caru = deer
Middle Welsh (kymraec) caru, carv, carw = deer, hart, stag
Welsh (Cymraeg) carw [ˈkaru / ˈkaːru] = deer, hart, stag; lord, nobleman, patron
Old Cornish caruu = stag
Middle Cornish carow = stag
Cornish (Kernewek) karow = stag
Middle Breton caro, qaro = deer
Breton (Brezhoneg) karv = deer

Etymology: from the Proto-Indo-European *ḱerh₂wós, from *ḱerh₂- (horn) [source].

Proto-Celtic *sidos = stag
Old Irish (Goídelc) séd = deer
Welsh (Cymraeg) hydd = stag, hart
Breton (Brezhoneg) heizes = roe-deer, venison, intrepid boy

Etymology: uncertain

Proto-Celtic *ellan(t)ī- / *agliones = deer
Old Irish (Goídelc) ag [aɣ] = bullock, cow, ox; deer, stag
Irish (Gaeilge) agh = cow, ox
agh alla = deer
Scottish Gaelic (Gàidhlig) agh [ɤɣ] = heifer, hind
Welsh (Cymraeg) eilon/eilion = stag, hart

Etymology: possible from the same root as the English word eland (a type of antelope found in South Africa), which from the Dutch eland (elk), from the Old High German elent.

Proto-Celtic *ou̯ījkā = ?
Gaulish cerua = ?
Old Cornish euhic = hind, deer
Old Welsh eguic = hind, deer
Welsh (Cymraeg) ewig = hind, doe, roe; graceful light-footed woman; deer, hart

Etymology: possibly from the Proto-Indo-European *h₂ówis (sheep) [source]

Proto-Celtic *yorkos = roebuck, deer
Gaulish iorkos = deer
Proto-Brythonic *jorx = deer, stag
Welsh (Cymraeg) iwrch [jʊrχ] = roe-deer, roebuck
Old Cornish yorch = roe-deer
Cornish (Kernewek) yorgh = roe-deer
Old Breton iorch = roe-deer
Breton (Brezhoneg) yourc’h = roe-deer, venison, intrepid boy

Etymology: from the Proto-Indo-European *york- (antelope, gazelle) [source].

Proto-Celtic *danī- = deer
Welsh (Cymraeg) danas = deer, fallow deer
Breton (Brezhoneg) demm = deer, fallow deer

Etymology: related to the French daim (hind, doe), from the Latin dāma (fallow deer, buck, doe) [source]

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Clean & Pure

Words for clean in Celtic languages.

Proto-Celtic *glanos = clean, clear
Old Irish (Goídelc) glan [ɡlan] = clear, pure, clear
Irish (Gaeilge) glan [ɡlˠanˠ] = clean, clear, pure, bright, well-made, distinct; complete, extact
Scottish Gaelic (Gàidhlig) glan [gl̪ˠan] = clean, pure, bright, sheer, downright, great, grand, grovy
Manx (Gaelg) glen = clean, fair, fresh-coloured, clear, pure, chaste, hygienic, sheer, emphatic, downright, peremptory, flat (refusal), cloudless, undefiled, clearcut, unclouded
Proto-Brythonic *glan [ˈɡlan] = clean, clear
Middle Welsh (Kymraec) glan = clean, clear
Welsh (Cymraeg) glân [glan] = clean, cleansed, neat; clear of sin, pure, good, virtuous, uncorrupted, undefiled, fair, honest, sincere; holy; fair of countenance, beautiful, handsome; complete, clean, utter, entire
Cornish (Kernewek) glan = clear, clean, pure
Old Breton glan = pure
Middle Breton glan = pure
Breton (Brezhoneg) glan = pure

Etymology: possibly from the Proto-Indo-European *ǵʰl̥h₃-nó-s, *ǵʰelh₃- (green, yellow) [Source].

Words marked with a * are reconstructions.

Sources: Wiktionary, , Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Gentle treasure

Words for gift, treasure, benefit in Celtic languages.

Proto-Celtic *moinis = treasure, precious object
Old Irish (Goídelc) moín = gift, benefit
Irish (Gaeilge) maoin [mˠiːnʲ] = gift, benefit, property, wealth, treasure (term of endearment)
Scottish Gaelic (Gàidhlig) maoin [mɯːn̪ʲ] = asset, wealth, fund, gear, goods
Manx (Gaelg) mayn = property, good order
Proto-Brythonic *muɨn = beautiful
Old Welsh muin = worth, value
Middle Welsh (Kymraec) mwyn = worth, value
Welsh (Cymraeg) mwyn [muːɨ̯n / mʊi̯n] = tender, mild, gentle, meek, amiable, loving, kind, obliging, courteous, noble, fair, pleasant, sweet-sounding, melodious, soft, soothing
Old Cornish muin = gracile
Old Breton moin = delicate
Middle Breton moen = thin
Breton (Brezhoneg) moan [ˈmwãːn] = thin, slender

Etymology: from the Proto-Indo-European moynis [Source].

Words marked with a * are reconstructions.

Sources: Wiktionary, , Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau

Treasure 013-1

Animals

Words for animal and related beasts in Celtic languages.

Animals / Anifeiliad

Words marked with a * are reconstructions.

Proto-Celtic *mīlom = animal
Old Irish (Goídelc) míl = animal, louse, hare
Middle Irish (Gaoidhealg) míl, miol [mʲiːl] = animal, louse
Irish (Gaeilge) míol [mʲiːlˠ, mʲiːl] = animal, creature, insect, louse
míolach = lousy, verminous, measly, mean, full of animals
míolachán = verminous person or animal
míoladóir = louse-picker, scrounger
míoladóireacht = picking live, scrounging
míoleolaí = zoologist
míoleolaíocht = zoology
míolra = vermin
Scottish Gaelic (Gàidhlig) mial [miəl̪ˠ] = louse, tick, animal (archaic)
mialach [miəl̪ˠəx] = lousy, abounding in live, harmless
mialachd [miəl̪ˠəxg] = lousiness, harmlessness
mialtag [miəl̪ˠdag] = gnat
mial-bhalla = bedbug
mial-eòlas = = zoology
Manx (Gaelg) meeyl [miːl] = gnat, insect, louse, gnat
meeyllagh = insectlike, lousy, verminous
meeyllyn = vermin, flies
meeyllaghys = lousiness
Proto-Brythonic *mil [ˈmiːl] = animal
Middle Welsh (Kymraec) mil = animal, beast, creature
Welsh (Cymraeg) mil [miːl] = animal, beast, creature
milaidd = pertaining to animals, like an animal, bestial
mildraeth, mildraith = zoology, zoography, natural history
mildraethydd = zoologist, zoographer
milfa = menagerie
milfeddyg = verterinary, surgeon, farrier
milgi = greyhound
enfil = animal, beast, creature
Middle Cornish (Cernewec) mil = animal, beast
milen = brutish, brutal, cruel
milgy = hound, greyhound
Cornish (Kernewek) mil = animal
milonieth = zoology
milus = brutal
miluster = brutality
milva = zoo
milvedhek = vet, vetinary surgeon
Middle Breton mil = animal
Breton (Brezhoneg) mil [ˈmiːl] = animal
euzhvil = monster
morvil = whale

Etymology: from the Proto-Indo-European *(s)meh₁l- (small animal) [source].

Old Irish (Goídelc) anmandae, anmande = animal, creature
Middle Irish (Gaoidhealg) anmandae = living creature, animal, beast, head of cattle
Irish (Gaeilge) ainmhí [anʲəvʲiː]= animal, brute, monster
ainmhíoch = animal, brutish
ainmhíocht = animal nature, brutishness
Scottish Gaelic (Gàidhlig) ainmhidh [ɛnɛvɪ] = animal, beast of burden, heifer
ainmhidheach [ɛnɛvɪjəx] = brutish, beastly
ainmhidheachd [ɛnɛvɪjəxg] = brutality, brutishness

Etymology: from the Old Irish ainim(m) (soul, life), from the Latin anima (soul, spirt, life; breath), or from the Proto-Celtic *anaman (soul, spirit), from Proto-Indo-European *h₂enh₁mos, from *h₂enh₁- (breathe), which is also the root of the English word animal [source].

Middle Welsh (Kymraec) aniueileit, anyueyl, anieuil = animal, beast, creature
aniueileid, anifeilyeid, anifeiliaidd = animal-like, bestial
Welsh (Cymraeg) anifail [aˈnɪvai̯l / aˈniːvai̯l] = animal, beast, creature
anifeil(i)aidd = animal-like, bestial, brutish, savage, foul
anifeilig = animal(-like), bestial, brutal
anifeiliol = animal(-like), bestial, beastly, brutal
anifeilrwydd = carnality, sensuality
Middle Cornish (Cernewec) eneval = animal
enevales = female animal
Cornish (Kernewek) eneval = animal
eneval dov = pet
Middle Breton (Brezonec) aneual, anneual = animal
Breton (Brezhoneg) aneval [ãˈneːval] = animal

Etymology: from the Latin animal (animal, living creature), from animālis (animate, living), from anima (soul, spirt, life; breath) [source].

Proto-Celtic *betrixs = (?)
Old Irish (Goídelc) bethadach = animal
Middle Irish (Gaoidhealg) bethach, bethadach = animal, creature, beast
Irish (Gaeilge) beithíoch [bʲɛˈhiəx / ˈbʲɛhiəx / ˈbʲɛhiə(h)] = beast, (large) animal, brute; (large) specimen of creature, bovine animal; heifer, cow, cattle, horse
Scottish Gaelic (Gàidhlig) beathach [bɛhəx] = animal, beast, head of cattle, brute
beathachachadh [bɛhəxəɣ] = living, feeding, nourishing, sustaining, nourishment, nutrition
beathachail [bɛhəxal] = nutritious, nutritional
beathachair [bɛhəxɛrʲ] = animator
beathaich [bɛhɪç] = feed, nourish, support, sustain
beithir [behɪrʲ] = any wild or savage thing, beast; thunderbolt; lightning; strong gust of wind; warrior, hero
Manx (Gaelg) baagh = animal, pet, beast
beishtagh = beastly, bestial, brutish, monstrous, filthy

Etymology: from the Middle Irish betha (life), from Old Irish bethu (life), from Proto-Celtic *biwotūts (life), from *biwos (alive), from Proto-Indo-European *gʷih₃wós (alive) [source].

Words from the same roots include words for food and life in Celtic languages, quick and zoo in English, and vida (life) in Spanish [source].

Proto-Celtic *lutno- = (young) animal
Scottish Gaelic (Gàidhlig) loth [l̪ˠɔh] = fily, foal, colt
lothag [l̪ˠɔhag] = young colt / filly / foal
lothaire [l̪ˠɔhɪrʲə] = gangly / spindly person
lothach [l̪ˠɔhəx] = abounding in fillies / foals / colts
Manx (Gaelg) lhiy = colt
Middle Welsh (Kymraec) lluden, llydyn, llwdyn = (young) animal, beast
llwdyngar = involving (carnal) bestiality
Welsh (Cymraeg) llwdn = the young of an animal (colt, foal, kid, etc), animal, beast, young man, youth, oaf, dolt
llwdngar = involving (carnal) bestiality
Middle Cornish (Cernewec) lodn = young cow or sheep, young ox, bullock, steer, wether
Cornish (Kernewek) lodn = bullock, young ox
lodnek = bovine
lodnow = cattle
Middle Breton (Brezonec) loeznet, loezn, loznet = animal, beast
loeznedus = abounding in animals
Breton (Brezhoneg) loen [ˈlwẽːn] = animal, beast
loeniñ = to brutalise, labour, punish
loenedus = gamey
loenegezh = bestiality
loenek = animal, bestial, brutish

Etymology: from PIE *polH- (animal young), from *peh₂w- (smallness). Words from the same roots include few, filly, foal, pony and puppy in English [source].

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Lexicon Cornu-britannicum: A Dictionary of the Ancient Celtic Language of Cornwall, Dictionaire Favereau, TermOfis, Le dictionnaire diachronique du breton, Etymological Dictionary Of Proto Celtic