bride (n.) Look up bride at Dictionary.com
Old English bryd "bride, betrothed or newly married woman," from Proto-Germanic *bruthiz "woman being married" (cognates: Old Frisian breid, Dutch bruid, Old High German brut, German Braut "bride"). Gothic cognate bruþs, however, meant "daughter-in-law," and the form of the word borrowed from Old High German into Medieval Latin (bruta) and Old French (bruy) had only this sense. In ancient Indo-European custom, the married woman went to live with her husband's family, so the only "newly wed female" in such a household would have been the daughter-in-law. On the same notion, some trace the word itself to the PIE verbal root *bru- "to cook, brew, make broth," as this likely was the daughter-in-law's job.