Middle English, from Anglo-French, from Latin domina, feminine of dominus master; akin to Latin domus house — more at dome
Date:
13th century
1: a woman of rank, station, or authority: asaarchaic: the mistress of a householdb: the wife or daughter of a lordc: a female member of an order of knighthood —used as a title prefixed to the given name 2 a: an elderly womanb:woman