Etymology

presumption

pre·sump·tion
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Today it means: The act of presuming, or something presumed. Full definition →

Middle English presumpcioun, presumption ← Latin praesūmptiōnem ← Old French presumption
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The story

  1. Proto-Indo-European*per-
  2. Proto-Indo-European*preh₂-
  3. Proto-Indo-European*préh₂i?
  4. Proto-Italic*prai
  5. Proto-Italic*prai-
  6. Latinprae-
  7. Proto-Indo-European*upó
  8. Proto-Italic*supo
  9. Latinsub
  10. Latinsub-
  11. Proto-Indo-European*h₁em-
  12. Proto-Indo-European*h₁émeti
  13. Proto-Italic*emō
  14. Latinemō
  15. Latinsūmō
  16. Latinpraesūmō
  17. Latinpraesūmptum
  18. Latinpraesūmptiōnem
  19. Old Frenchpresumption
  20. Latinpraesūmptiōnem
  21. Middle Englishpresumpcioun, presumption
  22. English todaypresumption

From pre- + Latin sūmptus + -ion, from Middle English presumpcioun, presumption, from Old French presumption and its etymon Latin praesūmptiō.

Words from the same roots

Latinsūmptus all →

consumptionresumptionpresumptiveconsumptivesubsumptionassumptivesubsumptive

Etymology from Wiktionary, CC BY-SA 4.0.