Etymology

coactivator

C3O1A1C3T1I1V4A1T1O1R1

Today it means: Any protein that binds to an activator as part of gene transcription Full definition →

English activator ← Middle English actyf ← Old French actif
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The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Proto-Indo-European*h₂eǵ-
  9. Proto-Indo-European*h₂éǵeti
  10. Proto-Italic*agō
  11. Latinagō
  12. Ancient Greekἐνεργητικός (energētikós)
  13. Latināctīvu
  14. Old Frenchactif
  15. Middle Englishactyf
  16. Englishactive
  17. Englishactivate
  18. Englishactivator
  19. English todaycoactivator

From co- + activator.

Etymology from Wiktionary, CC BY-SA 4.0.