Where does “ква́с” come from?

ква́с (Russian) comes from Old East Slavic квасъ, from Proto-Slavic kvasъ, from Proto-Indo-European kwh₂et- — to ferment, become sour; to boil, foam.

ква́с (Russian): kvass

Definitions

  1. kvass

Ancestry of “ква́с”, step by step

StepLanguageWordMeaning
1Old East Slavicквасъ—
2Proto-Slavickvasъleaven, fermented drink
3Proto-Indo-Europeankwh₂et-to ferment, become sour; to boil, foam

Words derived from “ква́с”

Every word from Proto-Indo-European kwh₂et- →Every word from Proto-Slavic kvasъ →Every word from Old East Slavic квасъ →