Where does “kvas” come from?

kvas (Serbo-Croatian) comes from Proto-Slavic kvasъ, from Proto-Indo-European kwh₂et- — to ferment, become sour; to boil, foam.

kvas (Serbo-Croatian): Alternative form of kvásac; kvass

Definitions

  1. Alternative form of kvásac; kvass

Ancestry of “kvas”, step by step

StepLanguageWordMeaning
1Proto-Slavickvasъleaven, fermented drink
2Proto-Indo-Europeankwh₂et-to ferment, become sour; to boil, foam
Every word from Proto-Indo-European kwh₂et- →Every word from Proto-Slavic kvasъ →
kvas — Etymology, Origin & Word History | Etymology Explorer