Etymology

sinusotomy

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Today it means: A surgical operation in which an incision is made in a sinus. Full definition →

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

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

From sinus + -otomy.

Etymology from Wiktionary, CC BY-SA 4.0.