Where does “kis” come from?

kis (Slovene) comes from Slovene kísel, from Proto-Slavic kyslъ, from Proto-Slavic kysnǫti — to become/get wet; to become/turn sour.

kis (Slovene): vinegar

Definitions

  1. vinegar

Ancestry of “kis”, step by step

StepLanguageWordMeaning
1Slovenekíselsour
2Proto-Slavickyslъsour
3Proto-Slavickysnǫtito become/get wet; to become/turn sour
Every word from Proto-Slavic kysnǫti →Every word from Proto-Slavic kyslъ →Every word from Slovene kísel →