The story
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Indo-European*pro-
- Proto-Italic*pro-
- Latinprō-
- Latinnūntius
- Latinnūntiō
- Latinprōnūntiō
- Old Frenchprononcier
- Middle Englishpronouncen
- English todaypronounce
Recorded since c.1330 as Middle English pronouncen (“to utter, declare officially”), from Old French prononcier, from Latin prōnūntiō, itself from prō- (“forth, out, in public”) + nūntiō (“to announce”) from nūntius (“messenger”).
Etymology from Wiktionary, CC BY-SA 4.0.