Where does “platycoelous” come from?

platycoelous (English) comes from English platy-, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

platycoelous (English): Flat at the anterior and concave at the posterior end; said of the centra of the vertebrae of some dinosaurs

Definitions

  1. Flat at the anterior and concave at the posterior end; said of the centra of the vertebrae of some dinosaurs

Ancestry of “platycoelous”, step by step

StepLanguageWordMeaning
1Englishplaty-flat; especially, relatively flat but wide
2Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
3Proto-Indo-Europeanpléth₂usflat, broad
4Proto-Indo-Europeanpleth₂-flat
Every word from Proto-Indo-European pleth₂- →Every word from Proto-Indo-European pléth₂us →Every word from Ancient Greek πλατύς →