Etymology

nonauthentication

Today it means: Absence of authentication. Full definition →

English authentication ← Medieval Latin authenticō ← Middle English non-
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The story

  1. Proto-Indo-European*né
  2. Proto-Germanic*ne
  3. Proto-Indo-European*ís?
  4. Proto-Indo-European*h₁óynos
  5. Proto-Germanic*ainaz
  6. Proto-Germanic*nainaz
  7. Proto-West Germanic*nain
  8. Old Englishnān
  9. Middle Englishnon
  10. Old Englishnān
  11. Old Englishnān-
  12. Middle Englishnon-
  13. Englishnon-
  14. Medieval Latinauthenticō
  15. Englishauthenticate
  16. Englishauthentication
  17. English todaynonauthentication

From non- + authentication.

Etymology from Wiktionary, CC BY-SA 4.0.