köken: Inherited from Old East Slavic лучь (lučĭ), from Proto-Slavic *lučь (“ray; torch”), from Proto-Indo-European *lowkis, which is derived from *lewk-.
ray (flat-bodied marine fish) · stingray · skate (flat-bodied fish of the family Rajidae)
çekim: çoğul roggen
köken: From Middle Dutch rochge, rogge, possibly ultimately from Proto-Germanic *rūhwaz (“rough”), referring to the fish's texture. Cognate with Middle Low German roche, ruche, Old English reohhe, ruhha, German Rochen.
köken: From Middle Korean *가ᄫᆞᆯ (*kaWol), from Old Korean *kapol (*kapol) or perhaps *kapul (*kapul). First attested in Hangul form only in the seventeenth century, but regularly indirectly attested since the eighth century in Chinese-language texts produced in Korea in the phonogramic form 加火魚 /加火鱼 (jiāhuǒyú).
ray (marine fish with a flat body, large wing-like fins, and a whip-like tail)
çekim: çoğul rockor · tamlayan rockas
köken: Possibly ultimately from Proto-Germanic *rūhwaz (“rough”), referring to the fish's texture. See also Middle Low German roche, ruche, Middle Dutch roche, rogghe, Danish rokke.
köken: Unknown. Possibly from Serbo-Croatian kukurek or Bulgarian кукурег (kukureg, “fragrant hellebore”), кукуряг (kukurjag), but they could also come from Romanian.