Word origin
from Latin
prō (adv and prep). In compound words borrowed from Latin,
prō- indicates: forward, out (
project); forward and down (
prostrate); away from a place (
prodigal); onward in time or space (
proceed); extension outwards (
propagate); before in time or place (
provide, protect); on behalf of (
procure); acting as a substitute for (
pronominal); and sometimes intensive force (
promiscuous)