Origin of goat
British Dictionary definitions for get one's goat (1 of 2)
Word Origin for goat
British Dictionary definitions for get one's goat (2 of 2)
Word Origin and History for get one's goat
Old English gat "she-goat," from Proto-Germanic *gaitaz (cf. Old Saxon get, Old Norse geit, Danish gjed, Middle Dutch gheet, Dutch geit, Old High German geiz, German Geiß, Gothic gaits "goat"), from PIE *ghaidos "young goat," also "play" (cf. Latin hædus "kid").
The word for "male goat" in Old English was bucca (see buck (n.)) until late 1300s shift to he-goat, she-goat (Nanny goat is 18c., billy goat 19c.). Meaning "licentious man" is attested from 1670s. To get (someone's) goat is from 1910, perhaps with notion of "to steal a goat mascot from a racehorse," or from French prendre sa chèvre "take one's source of milk."
Idioms and Phrases with get one's goat
see get someone's goat; separate the sheep from the goats.