Meaning

adjective showing a high degree of refinement and the assurance that comes from wide social experience

originA variant of urban + -ane (a variant of -an (suffix meaning ‘of or pertaining to’ forming adjectives)). Urban is borrowed from Middle French urbain (“belonging to a city, urban; courteous, refined, urbane”) (modern French urbain), or from its etymon Latin urbānus (“of or belonging to a city, urban; of manners or style: like those of city dwellers: cultivated, polished, refined, sophisticated”),…

Etymology from Wiktionary, CC BY-SA 3.0