Meaning

noun distinguished from Bovidae by the male's having solid deciduous antlers

originFrom Middle English der, deer (“animal, deer”), from Old English dēor (“animal”), from Proto-West Germanic *deuʀ, from Proto-Germanic *deuzą, from Proto-Indo-European *dʰewsóm (“living thing”), from *dʰéws (“breath”), full-grade derivative of *dʰwes-. Cognate with Scots deer (“deer”), North Frisian dier (“animal, beast”), West Frisian dier (“animal, beast”), Dutch dier (“animal, beast”), German…

Etymology from Wiktionary, CC BY-SA 3.0