announce [LME] The base of announce is Latin nuntius ‘messenger’ (also the base of nuncio [E16th] a papal ambassador). From the same root come annunciation [ME] ‘act of announcing’; denounce [ME] with de- having a negative sense; pronounce [LME] from pro- ‘out, forth’; renounce [LME] from re- (expressing reversal); and enunciate [M16th] ‘announce clearly’ from e- (a variant of ex-) ‘out’.