Etymology

cyst

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Today it means: A pouch or sac without opening, usually membranous and containing morbid matter, which develops in one of the natural cavities or in the substance of an organ. Full definition →

Late Latin cystis ← Ancient Greek κύστις (kústis) ← Proto-Indo-European *ḱuh₁éyeti
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The story

  1. Proto-Indo-European*(s)kewH-?
  2. Proto-Indo-European*ḱewh₁-
  3. Proto-Indo-European*ḱuh₁éyeti
  4. Ancient Greekκῠ́ω (kŭ́ō)?
  5. Ancient Greekκύστις (kústis)
  6. Late Latincystis
  7. English todaycyst

From Late Latin cystis, from Ancient Greek κύστις (kústis, “anatomical sac”).

Words from the same roots

Ancient Greekκύστις all →

cysticcystinecystoceleadenocysticcysticercuscystocarp

Etymology from Wiktionary, CC BY-SA 4.0.