Where does “placoid” come from?

placoid (English) comes from Ancient Greek πλάξ, from Proto-Hellenic pləks, from Proto-Indo-European pleh₂- — flat.

placoid (English): Platelike; having irregular, platelike, bony...

Definitions

  1. Platelike; having irregular, platelike, bony...

Ancestry of “placoid”, step by step

StepLanguageWordMeaning
1Ancient Greekπλάξanything flat and broad
2Proto-Hellenicpləks—
3Proto-Indo-Europeanpleh₂-flat

Words derived from “placoid”

Every word from Proto-Indo-European pleh₂- →Every word from Proto-Hellenic pləks →Every word from Ancient Greek πλάξ →