Espionage
来自Big Physics
late 18th century: from French espionnage, from espionner ‘to spy’, from espion ‘a spy’.
wiktionary
Recorded since 1793, borrowed from French espionnage, from Middle French espionner(“to spy”), from Old French espion(“spy”), itself probably from a Germanic source (akin to Old High German spehon(“spy”)), possibly via Italian spione (from spia). More at spy.
etymonline
espionage (n.)
1793, from French espionnage "spying," from espionner "to spy," from espion "a spy" (16c.), probably via Old Italian spione from a Germanic source akin to Old High German spehon "to spy" (see spy (v.)). For initial e- see e-. Middle English had espiouress "female spy" (early 15c.).