Where does “spioneri” come from?

spioneri (Swedish) comes from Swedish spion, from German Spion, 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.

spioneri (Swedish): espionage

Definitions

espionage

Ancestry of “spioneri”, step by step

Step	Language	Word	Meaning
1	Swedish	spion	a spy
2	German	Spion	spy; peephole
3	French	espion	spy
4	Middle French	espion	—
5	Old French	espion	spy
6	Frankish	*spehō	—
7	Frankish	spehōn	to spy, watch; to peer, to look, to spy
8	Proto-Germanic	spehōną	to peer, look, spy
9	Proto-Indo-European	speḱ-	to see, to look, to observe

Every word from Proto-Indo-European speḱ- →