English
toothfish
From tooth + fish.
Proto-Indo-European *h₃ed- ‘to smell’
…
Proto-Germanic *tanþs
Proto-West Germanic *tanþ
Old English tōþ
Middle English toth
English tooth
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 Either of the two fish species of the genus Dissostichus.
Language periods are conventional ranges, not dates for this word.
Etymograph / toothfish