Where does “калъ” come from?

калъ (Old Church Slavonic) comes from Proto-Slavic kȃlъ, from Proto-Indo-European keh₂los — dark.

калъ (Old Church Slavonic): dirt, filth

Definitions

  1. dirt, filth

Ancestry of “калъ”, step by step

StepLanguageWordMeaning
1Proto-Slavickȃlъdirt
2Proto-Indo-Europeankeh₂losdark
Every word from Proto-Indo-European keh₂los →Every word from Proto-Slavic kȃlъ →
калъ — Etymology, Origin & Word History | Etymology Explorer