Where does “flechir” come from?

flechir (Middle French) comes from Old French fleschir, from Latin flectō, from Proto-Italic flektō.

flechir (Middle French): to flex; to bend

Definitions

Step	Language	Word	Meaning
1	Old French	fleschir	—
2	Latin	flectō	—
3	Proto-Italic	flektō	—

flechir — Etymology, Origin & Word History | Etymology Explorer