Where does “unauthenticity” come from?

unauthenticity (English) comes from English authenticity, from English authentic, from Middle English authentik, from Old French autentique, from Latin authenticus, from Ancient Greek αὐθεντικός, from Ancient Greek αὐθέντης, from Ancient Greek αὐτο- — Postpositional intensifying particle: indeed, at any rate, in fact.

unauthenticity (English): Quality of not being authentic

Definitions

  1. Quality of not being authentic

Ancestry of “unauthenticity”, step by step

unauthenticity traces back through two separate lines of ancestry.

via English authenticity

StepLanguageWordMeaning
1EnglishauthenticityThe quality of being genuine or not corrupted...
2EnglishauthenticOf the same origin as claimed; genuine;...
3Middle Englishauthentik
4Old Frenchautentique
5Latinauthenticusoriginal, genuine, authentic
6Ancient Greekαὐθεντικόςwarranted, authentic, authoritative
7Ancient Greekαὐθέντηςa perpetrator of any act, especially that he...
8Ancient Greekαὐτο-self-
9Ancient Greekαὐτόςαὐτή f, αὐτό n; "first/second declension";...
10Proto-Indo-Europeanh₂ewaway from, off; again
11Proto-Indo-EuropeanǵʰePostpositional intensifying particle: indeed, at any rate, in fact

via English un

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