Meaning

noun a commercial center and river port in western Germany on the Rhine River; flourished during the 15th century as a member of the Hanseatic League

noun a perfumed liquid made of essential oils and alcohol

originFrom Middle English Coloyne, from Old French Cologne, from Latin Colōnia Agrippīna (“Agrippine Colony”), a settlement named after Agrippina, the mother of Roman Emperor Nero; colōnia (“colony”) comes from colōnus (“farmer; colonist”), from verb colo, colere (“till, cultivate, worship”). Doublet of Colonia, colony, and Köln, from German.

Etymology from Wiktionary, CC BY-SA 3.0