Where does “tondere” come from?

tondere (Latin) comes from Proto-Italic tondeō, from Proto-Indo-European tond-éye-ti.

Ancestry of “tondere”, step by step

Step	Language	Word	Meaning
1	Proto-Italic	tondeō	—
2	Proto-Indo-European	tond-éye-ti	—

tondere — Etymology, Origin & Word History | Etymology Explorer