Etymology

deauthenticate

D2E1A1U1T1H4E1N1T1I1C3A1T1E1

Today it means: To reject as authentic; to falsify or disprove. Full definition →

English authenticate ← 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. English todaydeauthenticate

From de- + authenticate.

Etymology from Wiktionary, CC BY-SA 4.0.