Where does “чернорубашечник” come from?

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

чернорубашечник (Russian): blackshirt

Definitions

  1. blackshirt

Ancestry of “чернорубашечник”, step by step

чернорубашечник traces back through two separate lines of ancestry.

via Russian чёрный

StepLanguageWordMeaning
1Russianчёрныйblack; rough, coarse; back
2Proto-Slavicčьrnъblack
3Proto-Balto-Slavickiršnasblack
4Proto-Indo-Europeankr̥snósblack; dark, dusky
5Proto-Indo-Europeankers-black, dirty; run; to run

via Russian руба́шка

StepLanguageWordMeaning
1Russianруба́шкаbutton-up shirt
2Russian-каnow, just
3Proto-Slavic-ьka—
4Proto-Balto-Slavic-ikaʔ—
5Proto-Indo-European-ikeh₂—
Every word from Proto-Indo-European kers- →Every word from Proto-Indo-European kr̥snós →Every word from Proto-Balto-Slavic kiršnas →