Announce

google

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late 15th century: from French annoncer, from Latin annuntiare, from ad- ‘to’ + nuntiare ‘declare, announce’ (from nuntius ‘messenger’).

wiktionary

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From Old French anoncier, from Latin annūntiāre, from ad + nūntiō(“report, relate”), from nūntius(“messenger, bearer of news”). See nuncio, and compare with annunciate.

etymonline

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announce (v.)

c. 1500, "proclaim, make known formally," from Old French anoncier "announce, proclaim" (12c., Modern French annoncer), from Latin annuntiare, adnuntiare "to announce, make known," literally "bring news to," from ad "to" (see ad-) + nuntiare "relate, report," from nuntius "messenger" (from PIE root *neu- "to shout"). Related: Announced; announcing.