Etymology

disphenoid

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Today it means: Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system. Full definition →

English sphenoid ← Latin di- ← Ancient Greek δῐ- (dĭ-)
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Englishsphenoid
  8. English todaydisphenoid

From di- (“twice, double”) + sphenoid (“wedge-shaped crystal or bone of the skull”).

Etymology from Wiktionary, CC BY-SA 4.0.