Etymology

durational

D2U1R1A1T1I1O1N1A1L1

Today it means: Of or pertaining to duration. Full definition →

Proto-Indo-European *h₂élisder.? ← English duration ← Middle English duracioun
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The story

  1. Proto-Indo-European*dweh₂-
  2. Proto-Indo-European*dweh₂rós
  3. Proto-Italic*dūros
  4. Latindūrus
  5. Latindūrō
  6. Medieval Latindūrātiō
  7. Old Frenchduracion
  8. Middle Englishduracioun
  9. Englishduration
  10. Proto-Indo-European*h₂el-
  11. Proto-Indo-European*h₂élisder.?
  12. English todaydurational

From duration + -al.

Etymology from Wiktionary, CC BY-SA 4.0.