Where does “spionage” come from?
spionage (Dutch) comes from French espionnage, from French espionner, from French espion, from Middle French espion, from Old French espion, from Frankish *spehō, from Frankish spehōn, from Proto-Germanic spehōną — to see, to look, to observe.
spionage (Dutch): espionage, spying
Ancestry of “spionage”, step by step