Where does “eau de Cologne” come from?

eau de Cologne (Finnish) comes from French Eau de Cologne, from Latin Colonia Claudia Ara Agrippinensium.

eau de Cologne (Finnish): cologne

Definitions

Step	Language	Word	Meaning
1	French	Eau de Cologne	—
2	Latin	Colonia Claudia Ara Agrippinensium	—

eau de Cologne — Etymology, Origin & Word History | Etymology Explorer