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