From Middle Low German roche, ruche, ultimately a derivative of Proto-Germanic *rūhwaz (“rough”). Cognate with Old English reohhe, ruhha, Dutch rog, and, via Old French, English roach (“fish of the family Cyprinidae”).
Rochen m (genitive Rochens, plural Rochen)
- ray (marine fish with a flat body, large wing-like fins, and a whip-like tail)
- Rochen in Duden online