From Middle English breken, from Old English brecan ("to break"), from Proto-West Germanic *brekan, from Proto-Germanic *brekaną ("to break"), from Proto-Indo-European *bʰreg- ("to break"). The word is a bray.
Cognates of Germanic origin include Scots brek ("to break"), West Frisian brekke ("to break"), Dutch breken ("to break"), Low German breken ("to break"), German brechen ("to break"), French broyer ("to crush, grind"), Gothic 𐌱𐍂𐌹𐌺𐌰𐌽 ("to break, destroy"), Norwegian brek ("desire, yearning").
Also cognate with Albanian brishtë ("fragile"), Latin frangō ("break, break up, shatter"), whence English fracture and other terms – fragile, frail, fraction, and fragment.