Meaning

verb take away the weapons from; render harmless

adjective (used of persons or the military) not having or using arms

adjective (used of plants or animals) lacking barbs or stings or thorns

originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English armed English unarmed From un- + armed.

Etymology from Wiktionary, CC BY-SA 3.0