Etymology

pneumomediastinum

Today it means: The condition of having the presence of air in the mediastinum. Full definition →

English mediastinum ← Ancient Greek πνεῦμα (pneûma) ← Proto-Hellenic *pnéumə
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The story

  1. Proto-Indo-European*pnew-
  2. Proto-Indo-European*pnéwmn̥
  3. Proto-Hellenic*pnéumə
  4. Ancient Greekπνεῦμα (pneûma)
  5. Englishpneumo-
  6. Englishmediastinum
  7. English todaypneumomediastinum

From pneumo- + mediastinum.

Etymology from Wiktionary, CC BY-SA 4.0.