pro- | Meaning of prefix pro- by etymonline
https://www.etymonline.com/word/pro-
pro- word-forming element meaning "forward, forth, toward the front" (as in proclaim, proceed); "beforehand, in advance" (prohibit, provide); "taking care of" (); "in place of, on behalf of" (proconsul, pronoun); from Latin pro (adv., prep.) "on behalf of, in place of, before, for, in exchange for, just as," which also was used as a first element in compounds and had a …
DA: 76 PA: 12 MOZ Rank: 45