English
lizardfish
From lizard + fish.
Latin lacertus
Old French lesard
Anglo-Norman lusard
Middle English lesarde ‘a lizard used as an alchemical ingredient’
English lizard
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 member of the family Synodontidae of aulopiform fish.
Language periods are conventional ranges, not dates for this word.
Etymograph / lizardfish