Where does “клас” come from?
клас (Russian) comes from Old Church Slavonic класъ, from Proto-Slavic kȏlsъ, from Proto-Indo-European kolH-so-.
клас (Russian): ear of corn
Ancestry of “клас”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Church Slavonic | класъ | ear of corn |
| 2 | Proto-Slavic | kȏlsъ | — |
| 3 | Proto-Indo-European | kolH-so- | — |