Origin: 1400–50; late Middle English, variant of brayell < Anglo-French braiel;Old French < Medieval Latin brācāle breechbelt, noun use of neuter of brācālis, equivalent to Latin brāc(ae) trousers (< Gaulish ) + -ālis-al1
small rope used on ships, mid-15c., from O.Fr. brail, earlier braiel "belt, leather thong," from L. bracale "waistbelt," from bracæ "breeches" (pl., see breeches).