Origin: 1300–50; < Latin advocātus legal counselor (orig. past participle of advocāre to call to one's aid), equivalent to ad-ad- + voc- call (akin to vōxvoice) + -ātus-ate1; replacing Middle English avocat < Middle French
Related forms
ad·vo·ca·tive, adjective
ad·vo·ca·tor, noun
non·ad·vo·cate, noun
pre·ad·vo·cate, noun
pre·ad·vo·cate, verb (used with object), -cat·ed, -cat·ing.
mid-14c., "one whose profession is to plead cases in a court of justice," a technical term from Roman law, from O.Fr. avocat, from L. advocatus "one called to aid," orig. pp. of advocare "to call" (as witness or advisor) from ad- "to" + vocare "to call," related to vocem (see