Where does “gnathonic” come from?

gnathonic (English) comes from Latin Gnatho, from Ancient Greek γνάθος, from Proto-Indo-European ǵn̥h₂dʰ-os, from Proto-Indo-European ǵneh₂dʰ-.

gnathonic (English): flattering; deceitful

Definitions

Step	Language	Word	Meaning
1	Latin	Gnatho	—
2	Ancient Greek	γνάθος	jaw; point, edge; type of stone
3	Proto-Indo-European	ǵn̥h₂dʰ-os	—
4	Proto-Indo-European	ǵneh₂dʰ-	—

gnathonic — Etymology, Origin & Word History | Etymology Explorer