Meaning

noun European freshwater fish resembling the roach

originAkin to rud, ruddy, ruddock. Via Proto-Indo-European *h₁rewdʰ- (whence also red) cognate with German Rotfeder, Irish ruán, Slovene rdečeperka. Compare typologically Bulgarian червеноперка (červenoperka) (<+ червен (červen)), Macedonian црвеноперка (crvenoperka) (<+ црвен (crven)), Russian краснопёрка (krasnopjórka) (<+ красный (krasnyj)); Turkish kızılkanat (kızıl + kanat).

Etymology from Wiktionary, CC BY-SA 3.0