Origin of brassiereFr, child's chemise, shoulder strap, origin, originally , arm guard ; from bras, an arm ; from Classical Latin brachium: see brace
A woman's undergarment worn to support the breasts.
Origin of brassiereFrench brassière, child's jacket with sleeves, brassiere, from Old French braciere : bras, arm (from Latin bracchium; see brachium) + -iere, -ier, one associated with; see –er1.
OriginSee also: brassière
From the French word brassière.