Meaning

noun the men and women who man a vehicle (ship, aircraft, etc.)

noun an organized group of workmen

noun an informal body of friends

originEtymology tree Proto-Indo-European *ḱer- Proto-Indo-European *-sḱéti Proto-Indo-European *ḱreh₁-sḱéti Latin crēscere Old French creistre Old French creuebor. Middle English crue English crew From Middle English crue, from Old French creue (“an increase, recruit, military reinforcement”), the feminine past participle of creistre (“grow”), from Latin crescere (“to arise, grow”).

Etymology from Wiktionary, CC BY-SA 3.0