Where does “двадца́ть” come from?

двадца́ть (Russian) comes from Russian два, from Old East Slavic дъва, from Proto-Slavic dъva, from Proto-Balto-Slavic duwō, from Proto-Indo-European dwóh₁ — two.

двадца́ть (Russian): twenty (20)

Definitions

  1. twenty (20)

Ancestry of “двадца́ть”, step by step

двадца́ть traces back through two separate lines of ancestry.

via Russian два

StepLanguageWordMeaning
1Russianдваtwo
2Old East Slavicдъваtwo
3Proto-Slavicdъvatwo
4Proto-Balto-Slavicduwōtwo
5Proto-Indo-Europeandwóh₁two

via Russian де́сять

StepLanguageWordMeaning
1Russianде́сятьten
2Old Church Slavonicдесѧтьten
3Proto-Slavicdesętьten
4Proto-Balto-Slavic*déśimtten
5Proto-Indo-Europeandéḱm̥tten

Words derived from “двадца́ть”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Balto-Slavic duwō →Every word from Proto-Slavic dъva →
двадца́ть — Etymology, Origin & Word History | Etymology Explorer