English
groundfish
From ground + fish.
Proto-Indo-European *gʰrem- ‘floor, settlement’
Proto-Germanic *grunduz ‘ground, foundation’
Proto-West Germanic *grundu
Old English grund
Middle English ground
English ground
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 of many fish that swim near the seafloor: a demersal fish.
Language periods are conventional ranges, not dates for this word.
Etymograph / groundfish