Meaning

adjective used of animals; without protective covering

adjective (used of persons or things military) without protective armor

originEtymology tree English un- Proto-Indo-European *h₂er-der. Proto-Indo-European *h₂(e)rmosder. Latin arma Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin armō Proto-Indo-European *-tew-? Proto-Indo-European *-r-eh₂? Latin -tūra Latin armātūra Old French armeure Anglo-Norman armurebor. Middle English armure…

Etymology from Wiktionary, CC BY-SA 3.0