Where does “двадцать” come from?
двадцать (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.
Ancestry of “двадцать”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | два | two |
| 2 | Old East Slavic | дъва | — |
| 3 | Proto-Slavic | dъva | two |
| 4 | Proto-Balto-Slavic | duwō | two |
| 5 | Proto-Indo-European | dwóh₁ | two |
Words derived from “двадцать”