Where does “carnowrony” come from?

carnowrony (Polish) comes from Polish Czarny, from Old Polish czarny, from Proto-Slavic *čь̀rnъ — black.

Ancestry of “carnowrony”, step by step

carnowrony traces back through two separate lines of ancestry.

via Polish Czarny

StepLanguageWordMeaning
1PolishCzarnyblack
2Old Polishczarnyblack
3Proto-Slavic*čь̀rnъblack

via Polish wrony

StepLanguageWordMeaning
1Polishwronyblack
2Old Polishwrony—
Every word from Proto-Slavic *čь̀rnъ →Every word from Old Polish czarny →Every word from Polish Czarny →