Where does “квасъ” come from?
квасъ (Old East Slavic) comes from Proto-Slavic kvasъ, from Proto-Indo-European kwh₂et- — to ferment, become sour; to boil, foam.
Ancestry of “квасъ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | kvasъ | leaven, fermented drink |
| 2 | Proto-Indo-European | kwh₂et- | to ferment, become sour; to boil, foam |
Words derived from “квасъ”