Where does “часъ” come from?
часъ (Old Church Slavonic) comes from Proto-Slavic časъ, from Proto-Balto-Slavic keʔs-, from Proto-Indo-European k(ʷ)eh₁s-.
часъ (Old Church Slavonic): time; moment; hour
Ancestry of “часъ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | časъ | time |
| 2 | Proto-Balto-Slavic | keʔs- | — |
| 3 | Proto-Indo-European | k(ʷ)eh₁s- | — |