Where does “kvas” come from?

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

kvas (Czech): sourdough

Definitions

  1. sourdough

Ancestry of “kvas”, step by step

StepLanguageWordMeaning
1Old Czechkvas—
2Proto-Slavickvasъleaven, fermented drink
3Proto-Indo-Europeankwh₂et-to ferment, become sour; to boil, foam
Every word from Proto-Indo-European kwh₂et- →Every word from Proto-Slavic kvasъ →Every word from Old Czech kvas →