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.

If any of the numbers are links, you can hear a recording by clicking on them. If you can provide recordings, please contact me.

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

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

Numbers in other languages

Alphabetical index | Language family index

Green Web Hosting - Kualo

Why not share this page:


If you need to type in many different languages, the Q International Keyboard can help. It enables you to type almost any language that uses the Latin, Cyrillic or Greek alphabets, and is free.

If you like this site and find it useful, you can support it by making a donation via PayPal or Patreon, or by contributing in other ways. Omniglot is how I make my living.

Learn a nuevo language while you browse with toucan

Note: all links on this site to, and are affiliate links. This means I earn a commission if you click on any of them and buy something. So by clicking on these links you can help to support this site.