Where does “оба” come from?
оба (Russian) comes from Old East Slavic оба, from Proto-Slavic oba, from Proto-Balto-Slavic aboˀ, from Proto-Indo-European bʰoh₁.
Ancestry of “оба”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old East Slavic | оба | — |
| 2 | Proto-Slavic | oba | both |
| 3 | Proto-Balto-Slavic | aboˀ | both |
| 4 | Proto-Indo-European | bʰoh₁ | — |