Etymology

effect

ef·fect
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Today it means: The result or outcome of a cause. Full definition →

Middle English effecten ← Medieval Latin effectuō ← Latin effectus
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The story

  1. Proto-Indo-European*h₁éǵʰ
  2. Proto-Indo-European*h₁éǵʰs
  3. Proto-Italic*eks
  4. Latinex
  5. Latinex-
  6. Proto-Indo-European*dʰeh₁-
  7. Proto-Indo-European*dʰeh₁k-
  8. Proto-Indo-European*dʰh₁kyéti
  9. Proto-Italic*θakjō
  10. Proto-Italic*fakjō
  11. Latinfaciō
  12. Latinefficiō
  13. Latineffectu
  14. Old Frencheffect
  15. Middle Englisheffect
  16. Englisheffect
  17. Proto-Indo-European*h₁éǵʰ
  18. Proto-Indo-European*h₁éǵʰs
  19. Proto-Italic*eks
  20. Latinex
  21. Latinex-
  22. Proto-Indo-European*dʰeh₁-
  23. Proto-Indo-European*dʰeh₁k-
  24. Proto-Indo-European*dʰh₁kyéti
  25. Proto-Italic*θakjō
  26. Proto-Italic*fakjō
  27. Latinfaciō
  28. Latinefficiō
  29. Latineffectus
  30. Medieval Latineffectuō
  31. Middle Englisheffecten
  32. English todayeffect

Of the verb: from Middle English effecten, partly from Medieval Latin effectuō, from Latin effectus, perfect passive participle of efficiō (“accomplish, complete, do, effect”), from ex (“out”) + faciō (“do, make”) (see fact and compare affect, infect) and partly from the noun effect.

Words from the same roots

Latineffectus all →

Etymology from Wiktionary, CC BY-SA 4.0.