Where does “ectotherme” come from?
ectotherme (French) comes from French ecto-, from Ancient Greek ἐκτός, from Ancient Greek γνάθος, from Proto-Indo-European ǵn̥h₂dʰ-os, from Proto-Indo-European ǵneh₂dʰ-.
ectotherme (French): ectotherm
Ancestry of “ectotherme”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | ecto- | ecto- |
| 2 | Ancient Greek | ἐκτός | without, outside, out; external, strange, vulgar;... |
| 3 | Ancient Greek | γνάθος | jaw; point, edge; type of stone |
| 4 | Proto-Indo-European | ǵn̥h₂dʰ-os | — |
| 5 | Proto-Indo-European | ǵneh₂dʰ- | — |