Etymology

defectology

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Today it means: The training of teachers of handicapped children. Full definition →

Ancient Greek λόγος (lógos) ← Proto-Hellenic *lógos ← Proto-Indo-European *lóǵos
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The story

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latinde-
  6. Proto-Indo-European*dʰeh₁-
  7. Proto-Indo-European*dʰeh₁k-
  8. Proto-Indo-European*dʰh₁kyéti
  9. Proto-Italic*θakjō
  10. Proto-Italic*fakjō
  11. Latinfacio
  12. Latindēficiō
  13. Latindēfectus
  14. Englishdefect
  15. Proto-Indo-European*leǵ-
  16. Proto-Indo-European*lóǵos
  17. Proto-Hellenic*lógos
  18. Ancient Greekλόγος (lógos)
  19. English todaydefectology

From defect + -ology.

Etymology from Wiktionary, CC BY-SA 4.0.