Where does “kьršnъ” come from?

kьršnъ (Proto-Slavic) comes from Proto-Balto-Slavic kiršnas, from Proto-Indo-European kr̥snós, from Proto-Indo-European kers- — black, dirty; run; to run.

Ancestry of “kьršnъ”, step by step

StepLanguageWordMeaning
1Proto-Balto-Slavickiršnasblack
2Proto-Indo-Europeankr̥snósblack; dark, dusky
3Proto-Indo-Europeankers-black, dirty; run; to run

Words derived from “kьršnъ”

Every word from Proto-Indo-European kers- →Every word from Proto-Indo-European kr̥snós →Every word from Proto-Balto-Slavic kiršnas →