Where does “оди́нъ” come from?
оди́нъ (Old East Slavic) comes from Proto-Slavic edìnъ, from Proto-Balto-Slavic edīˀnas, from Proto-Balto-Slavic aiˀnas, from Proto-Indo-European óynos — one; single.
Ancestry of “оди́нъ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | edìnъ | one |
| 2 | Proto-Balto-Slavic | edīˀnas | — |
| 3 | Proto-Balto-Slavic | aiˀnas | one |
| 4 | Proto-Indo-European | óynos | one; single |