Etymology

deauthentication

Today it means: The invalidation of an existing authentication. Full definition →

English authentication ← Medieval Latin authenticō ← Latin dē-
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The story

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Medieval Latinauthenticō
  8. Englishauthenticate
  9. Englishauthentication
  10. English todaydeauthentication

From de- + authentication.

Etymology from Wiktionary, CC BY-SA 4.0.