Are yams and sweet potatoes the same?
1530s, "of or relating to cities or towns," from Middle French urbain (14c.), from Latin urbanus "belonging to a city," also "citified, elegant" (see urban). The meaning "having the manners of townspeople, courteous, refined" is first attested 1620s. Urbanity in this sense is recorded from 1530s. For sense connection, cf. human/humane.