Where does “černovlasý” come from?

černovlasý (Czech) comes from Czech Černý, from Old Czech črný, from Proto-Slavic čьrnъ, from Proto-Balto-Slavic kiršnas, from Proto-Indo-European kr̥snós, from Proto-Indo-European kers- — black, dirty; run; to run.

černovlasý (Czech): black-haired

Definitions

  1. black-haired

Ancestry of “černovlasý”, step by step

černovlasý traces back through two separate lines of ancestry.

via Czech Černý

StepLanguageWordMeaning
1CzechČernýblack
2Old Czechčrnýblack
3Proto-Slavicčьrnъblack
4Proto-Balto-Slavickiršnasblack
5Proto-Indo-Europeankr̥snósblack; dark, dusky
6Proto-Indo-Europeankers-black, dirty; run; to run

via Czech vlas

StepLanguageWordMeaning
1Czechvlasa single hair
2Old Czechvlasa single hair (a filament growing from the skin of the head of humans)
3Proto-Slavicvȏlsъhair pigmented filament
Every word from Proto-Indo-European kers- →Every word from Proto-Indo-European kr̥snós →Every word from Proto-Balto-Slavic kiršnas →