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
- Platelike; having irregular, platelike, bony...
Ancestry of “placoid”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Ancient Greek | πλάξ | anything flat and broad |
| 2 | Proto-Hellenic | pləks | — |
| 3 | Proto-Indo-European | pleh₂- | flat |