Etymology

pelycosaur

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Today it means: Any of a group of basal or primitive Late Paleozoic synapsid amniotes, part of a polyphyletic grade, formerly regarded as order Pelycosauria. Full definition →

Ancient Greek πέλυξ
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The story

  1. Ancient Greek · derived fromπέλυξ“bowl, axe”
  2. English todaypelycosaur

Ancient Greek πέλυξ (pélux, “bowl, axe”) and σαῦρος (saûros, “lizard”).

Etymology from Wiktionary, CC BY-SA 4.0.