Where does “кисло” come from?

кисло (Russian) comes from Russian ки́слый, from Proto-Slavic kỳs(ь)lъ.

кисло (Russian): dispiritedly, in a dejected manner

Definitions

  1. dispiritedly, in a dejected manner

Ancestry of “кисло”, step by step

StepLanguageWordMeaning
1Russianки́слыйsour
2Proto-Slavickỳs(ь)lъ—
Every word from Proto-Slavic kỳs(ь)lъ →Every word from Russian ки́слый →