Etymology

hemispherectomy

H4E1M3I1S1P3H4E1R1E1C3T1O1M3Y4

Today it means: Surgical removal of a hemisphere of the brain, usually performed to control otherwise uncontrollable epilepsy. Full definition →

Ancient Greek ἐκτομή (ektomḗ) ← Proto-Indo-European *temh₁- ← Proto-Hellenic *eks
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The story

  1. Englishhemisphere
  2. Proto-Indo-European*h₁éǵʰ
  3. Proto-Indo-European*h₁eǵʰs
  4. Proto-Hellenic*eks
  5. Ancient Greekἐκ (ek)
  6. Ancient Greekἐκ- (ek-)
  7. Proto-Indo-European*temh₁-
  8. Ancient Greekτέμνω (témnō)
  9. Ancient Greekἐκτέμνω (ektémnō)
  10. Ancient Greekἐκτομή (ektomḗ)
  11. English todayhemispherectomy

From hemisphere + -ectomy.

Etymology from Wiktionary, CC BY-SA 4.0.