cologne (n.) Look up cologne at Dictionary.com
1814, Cologne water, loan-translation of French eau de Cologne, literally "water from Cologne," from the city in Germany (German Köln, from Latin Colonia Agrippina) where it was made, first by Italian chemist Johann Maria Farina, who had settled there in 1709. The city seems to have been known in English generally by its French name in 18c.