Etymology

pachycephalosaurus

Today it means: Any of a group of herbivorous dinosaurs, of the genus Pachycephalosaurus from the late Cretaceous period. Full definition →

Ancient Greek σαῦρος (saûros) ← Proto-Hellenic *kʰepʰəlā́ ← Proto-Indo-European *gʰébʰōl
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The story

  1. Proto-Indo-European*bʰenǵʰ-
  2. Proto-Indo-European*bʰénǵʰus
  3. Proto-Hellenic*pəkʰús
  4. Ancient Greekπαχύς (pakhús)
  5. Proto-Indo-European*gʰébʰōl
  6. Proto-Hellenic*kʰepʰəlā́
  7. Ancient Greekκεφαλή (kephalḗ)
  8. Ancient Greekσαύρα (saúra)
  9. Ancient Greekσαῦρος (saûros)
  10. English todaypachycephalosaurus

Borrowed from translingual Pachycephalosaurus, from pachy- (“thick”) + cephalo- (“head”) + -saurus (“lizard”).

Words from the same roots

translingualPachycephalosaurus all →

pachycephalosaur

Etymology from Wiktionary, CC BY-SA 4.0.