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

Definitions

  1. ectotherm

Ancestry of “ectotherme”, step by step

StepLanguageWordMeaning
1Frenchecto-ecto
2Ancient Greekἐκτόςwithout, outside, out; external, strange, vulgar;...
3Ancient Greekγνάθοςjaw; point, edge; type of stone
4Proto-Indo-Europeanǵn̥h₂dʰ-os
5Proto-Indo-Europeanǵneh₂dʰ-
Every word from Proto-Indo-European ǵneh₂dʰ-
ectotherme — Etymology, Origin & Word History | Etymology Explorer