Etymology

xerostomia

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Today it means: Abnormal dryness of the mouth. Full definition →

English stoma ← New Latin stoma ← Ancient Greek στόμα (stóma)
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The story

  1. Englishxero-
  2. Proto-Indo-European*steh₃-
  3. Proto-Indo-European*stéh₃mn̥
  4. Proto-Hellenic[Term?]
  5. Ancient Greekστόμα (stóma)
  6. New Latinstoma
  7. Englishstoma
  8. English todayxerostomia

From xero- + stoma + -ia.

Etymology from Wiktionary, CC BY-SA 4.0.