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