Where does “червоно-чорний” come from?

червоно-чорний (Ukrainian) comes from Ukrainian чо́рний, from Proto-Slavic čьrnъ, from Proto-Balto-Slavic kiršnas, from Proto-Indo-European kr̥snós, from Proto-Indo-European kers- — black, dirty; run; to run.

червоно-чорний (Ukrainian): red and black the colors of a [[w:Flag of the Ukrainian Insurgent Army

Definitions

  1. red and black the colors of a [[w:Flag of the Ukrainian Insurgent Army

Ancestry of “червоно-чорний”, step by step

червоно-чорний traces back through two separate lines of ancestry.

via Ukrainian чо́рний

StepLanguageWordMeaning
1Ukrainianчо́рнийblack color
2Proto-Slavicčьrnъblack
3Proto-Balto-Slavickiršnasblack
4Proto-Indo-Europeankr̥snósblack; dark, dusky
5Proto-Indo-Europeankers-black, dirty; run; to run

via Ukrainian черво́ний

StepLanguageWordMeaning
1Ukrainianчерво́нийred
Every word from Proto-Indo-European kers-Every word from Proto-Indo-European kr̥snósEvery word from Proto-Balto-Slavic kiršnas