Where does “undupable” come from?

undupable (English) comes from English dupable, from English dupe, from French duper, from Middle French duppe, from French huppé, from Latin upupa, from Old Saxon uppa, from Old Norse á — on, onto.

undupable (English): Incapable of being duped

Definitions

  1. Incapable of being duped

Ancestry of “undupable”, step by step

undupable traces back through two separate lines of ancestry.

via English dupable

StepLanguageWordMeaning
1EnglishdupableCapable of being duped
2EnglishdupeA person who has been deceived; To swindle,...
3Frenchduperto trick, fool, dupe
4Middle Frenchduppe
5Frenchhuppécrested; upper-crust, posh
6Latinupupahoopoe
7Old Saxonuppaabove
8Old Norseáriver; Alternative form of ær; on
9Proto-Norseᚨᚾon
10Proto-Germanicanaon, at; on, onto; ana
11Proto-Indo-Europeanh₂en-on, onto

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European h₂en-
undupable — Etymology, Origin & Word History | Etymology Explorer