but (instead); the preceding clause contains a negative statement and the following clause contains the correction needed to make it positive. See the example.
on behalf of, in the interest of, for the sake of · before, in front of · instead of
köken: From Proto-Italic *prō, from an innovative instrumental singular *próh₁ derived from Proto-Indo-European *pró (“toward”). Use with accusative nouns is originally by analogy to ante, amplified in Late Latin due to the merger of other cases with the accusative.
aile: mōs prō lēge, pars prō tōtō, prō bonō publicō, prō Deō, prō fōrmā, prō rata, prō salūte Imperātōris, prō tantō, prōnus, prope