English

fishtank

From fish + tank.

A compound of fish + tank

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

Portuguese tanque ‘tank, liquid container’

English tank

Today it means

noun —

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

Etymograph / fishtank