Etymology

unsuitable

un·suit·a·ble
U1N1S1U1I1T1A1B3L1E1

Today it means: Not suitable. Full definition →

English suitable ← Middle English sute ← Anglo-Norman suite
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Proto-Indo-European*sekʷ-
  9. Proto-Indo-European*sékʷetor
  10. Proto-Italic*sekʷōr
  11. Vulgar Latinsequor, sequi
  12. Vulgar Latin*sequere
  13. Vulgar Latin*sequita
  14. Old Frenchsiute
  15. Anglo-Normansuite
  16. Middle Englishsute
  17. Englishsuit
  18. Englishsuitable
  19. English todayunsuitable

From un- + suitable.

Etymology from Wiktionary, CC BY-SA 4.0.