Morpheme
Brack
Type
bound base
Denotation
support, codpiece, britches, breeches, knee pants, literally pants
Etymology
Early Modern English bragget; Middle English braket; Old French braguette, from brague; Old Occitan braga; Latin brāca
Evidence
bracket, bracketed, bracketer, bracketing, bracketless, bracketlike, bracketology, bracketry, brackets, bracketwise, brackety, multibracket, superbracket, unbracket, unbracketed
Notes
“support on vertical surface” notion from resemblance of codpiece armor to architectural supports
