Etymology

decaffeinated

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Today it means: From which caffeine has been removed (e.g. decaffeinated coffee). Full definition →

English decaffeinate ← Latin dē- ← Proto-Italic *dē
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decaffeinated · adjective, noun1

From de- + caffeine + -ated or de- + caffeinated.

decaffeinated · verb2

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Englishcaffeine
  8. Englishdecaffeinate
  9. English todaydecaffeinated

From decaffeinate + -ed.

Etymology from Wiktionary, CC BY-SA 4.0.