Etymology

commissurotomy

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Today it means: The surgical division of a commissure or similar structure. Full definition →

Ancient Greek τέμνω (témnō) ← Proto-Indo-European *temh₁- ← English commissure
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The story

  1. Englishcommissure
  2. Proto-Indo-European*temh₁-
  3. Ancient Greekτέμνω (témnō)
  4. English todaycommissurotomy

From commissure + -otomy.

Etymology from Wiktionary, CC BY-SA 4.0.