Etymology

epidural

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Today it means: Situated on or outside the dura mater. Full definition →

English dural ← Proto-Indo-European *h₂élisder.? ← Ancient Greek ἐπῐ- (epĭ-)
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The story

  1. Proto-Indo-European*h₁ep-
  2. Proto-Indo-European*h₁éps
  3. Proto-Indo-European*h₁épi
  4. Proto-Hellenic*epí
  5. Ancient Greekἐπί (epí)
  6. Ancient Greekἐπῐ- (epĭ-)
  7. Englishepi-
  8. Englishdura materellip.
  9. Englishdura
  10. Proto-Indo-European*h₂el-
  11. Proto-Indo-European*h₂élisder.?
  12. Englishdural
  13. English todayepidural

From epi- + dural.

Etymology from Wiktionary, CC BY-SA 4.0.