From Old French avancer (“to move forward”).
This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
avaunce (third-person singular simple present avaunces, present participle avaunceing, simple past and past participle avaunceed)
- (obsolete) To advance; to profit. [from early 13th c.]
1387–1400, Geoffrey Chaucer, “The Prologue”, in The Canterbury Tales, [Westminster: William Caxton, published 1478], OCLC 230972125, “The Frere”, line 246, column 2:
- It is not honeſte, it may not auaunce / For to dele with [no] ſoche poraile / But al with riche and ſellers of vitaile.