English

finfish

From fin + fish.

A compound of fin + fish

Proto-Indo-European *(s)pīn- ‘backbone, dorsal fin’

Proto-Germanic *finnō

Old English finn

Middle English fin

English fin

Proto-Indo-European *piskós

Proto-Germanic *fiskaz

Proto-West Germanic *fisk

Old English fisċ

Middle English fisch ‘an animal that inhabits the water or the meat…’

English fish

Today it means

noun Any fish, but especially fish other than flatfish

Language periods are conventional ranges, not dates for this word.