What does prō- mean in Latin?

prō-, a prefix, means “forward direction, forward movement; action directed forward or in front; prominence”.

How do you pronounce prō-?

In classical Latin, [prɔ]; in ecclesiastical (church) Latin, [pro].

prefix

Classical[prɔ]Ecclesiastical[pro]

morphemeforward direction, forward movement
prō- + clīvus + -is → prōclīvis
prōd- + eō → prōdeō
morphemedownward and forward movement
prō- + flīgō + -ō → prōflīgō
prō- + terō → prōterō
morphemeaction directed forward or in front
prō- + pugnō → prōpugnō
prō- + tegō → prōtegō
morphemeprominence
prō- + *mineō → prōmineō
prō- + pendeō → prōpendeō
morphemein place of, instead of, on behalf of
prō- + clāmō → prōclāmō
prō- + loquor → prōloquor
morphemebringing into being, forth, or into the open
prō- + creō → prōcreō
prō- + gignō → prōgignō
morphemeprior, fore-
pro- + avus → proavus
prō- + rogō → prōrogō
morphemeadvantage
prō- + cūrō → prōcūrō
prō- + faciō → prōficiō

From Proto-Italic *pro-, from Proto-Indo-European *pro-. Synchronically served as the prefix counterpart to the preposition prō.