Numbers in Proto-Indo-European

How to count in Proto-Indo-European, the reconstructed ancestor of many of the languages spoken in Europe, and parts of western and southern Asia.

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Numeral	Cardinal numbers	Ordinal numbers
1	Hoi-no- / Hoi-wo- / Hoi-k(ʷ)o- / sem- / *óynos	*pr̥h₃-
2	d(u)wo- / dwóh₁	e/i dytë
3	trei- / tri- / *tréyes	*trit(ó)
4	kʷetwor- / kʷetur- / *kʷetwóres	*kʷeturt(ó)
5	*penkʷe	*penkʷet(ó)
6	*s(w)eḱs	*s(w)eḱst(ó)
7	*septm̥	*septm̥t(ó)
8	oḱtō / oḱtou / h₃eḱtō / h₃eḱtou / *(h)oḱtṓw	*oḱtōt(ó)
9	*(h₁)newn̥	*(h₁)newn̥t(ó)
10	*deḱm̥(t)	*deḱm̥t(ó)
20	*wīḱm̥t-
30	*trīḱomt-
40	*kʷetwr̥̄ḱomt-
50	*penkʷēḱomt-
60	*s(w)eḱsḱomt-
70	septm̥̄ḱomt-
80	*oḱtō(u)ḱomt-
90	*(h₁)newn̥̄ḱomt-
100	*ḱm̥tom
1000	ǵʰeslo- / tusdḱomti

Information about Proto-Indo-European numbers
https://en.wikipedia.org/wiki/Proto-Indo-European_numerals

Information about Proto-Indo-European | Numbers | Family words

Numbers in other languages

Alphabetical index | Language family index

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