Where does “orthognathous” come from?
orthognathous (English) comes from English -gnathous, from Ancient Greek γνάθος, from Proto-Indo-European ǵn̥h₂dʰ-os, from Proto-Indo-European ǵneh₂dʰ-.
orthognathous (English): straight-jawed
Ancestry of “orthognathous”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | -gnathous | having a specified type of jaw |
| 2 | Ancient Greek | γνάθος | jaw; point, edge; type of stone |
| 3 | Proto-Indo-European | ǵn̥h₂dʰ-os | — |
| 4 | Proto-Indo-European | ǵneh₂dʰ- | — |