Late 14c., "governor or armed forces commander of an historic Roman province," possessing there almost all of the duties and authorities of the consul in Rome, from Latin proconsul "governor of a province; military commander," from phrase pro consule "(acting) in place of a consul," from pro "in In March https://erickdjpuz.wikiexcerpt.com/2798759/the_smart_trick_of_pro_that_nobody_is_discussing