Etymology

empyema

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Today it means: A collection of pus within a naturally existing anatomical cavity (as opposed to an abscess, which occurs in a newly formed cavity). Full definition →

Ancient Greek ἐμπύημα
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The story

  1. Ancient Greek · derived fromἐμπύημα“gathering, abscess”
  2. English todayempyema

From Ancient Greek ἐμπύημα (empúēma, “gathering, abscess”).

Etymology from Wiktionary, CC BY-SA 4.0.