Where does “dupeur” come from?

dupeur (French) comes from French duper, from Middle French duppe, from French huppé, from Latin upupa, from Old Saxon uppa, from Old Norse á, from Proto-Norse ᚨᚾ, from Proto-Germanic ana — on, onto.

dupeur (French): duper

Definitions

duper

Ancestry of “dupeur”, step by step

Step	Language	Word	Meaning
1	French	duper	to trick, fool, dupe
2	Middle French	duppe	—
3	French	huppé	crested; upper-crust, posh
4	Latin	upupa	hoopoe
5	Old Saxon	uppa	above
6	Old Norse	á	river; Alternative form of ær; on
7	Proto-Norse	ᚨᚾ	on
8	Proto-Germanic	ana	on, at; on, onto; ana
9	Proto-Indo-European	h₂en-	on, onto

Every word from Proto-Indo-European h₂en- →Every word from Proto-Germanic ana →Every word from Proto-Norse ᚨᚾ →