Where does “А” come from?
А (Russian) comes from Old East Slavic а, from Proto-Slavic a, from Proto-Balto-Slavic ō, from Proto-Indo-European h₁ōd.
Ancestry of “А”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old East Slavic | а | but, and |
| 2 | Proto-Slavic | a | but; and |
| 3 | Proto-Balto-Slavic | ō | and; but |
| 4 | Proto-Indo-European | h₁ōd | — |