Etymology

craniosynostosis

Today it means: A medical condition in which some or all of the sutures in the skull of an infant close too early, causing problems with normal brain and skull growth. Full definition →

English synostosis ← Medieval Latin crānium ← Ancient Greek κρᾱνῐ́ον (krānĭ́on)
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The story

  1. Proto-Indo-European*ḱer-
  2. Proto-Indo-European*ḱerh₂-
  3. Proto-Indo-European*ḱérh₂sō
  4. Proto-Hellenic*kárahə
  5. Ancient Greek*κρᾱν- (*krān-)
  6. Ancient Greekκρᾱνῐ́ον (krānĭ́on)
  7. Medieval Latincrānium
  8. Englishcranio-
  9. Englishsynostosis
  10. English todaycraniosynostosis

From cranio- + synostosis.

Etymology from Wiktionary, CC BY-SA 4.0.