Where does “fougère” come from?

fougère (French) comes from Old French fulgiere, from Vulgar Latin filicaria, from Latin filix — fern.

fougère (French): fern

Definitions

Step	Language	Word	Meaning
1	Old French	fulgiere	—
2	Vulgar Latin	filicaria	thicket of ferns
3	Latin	filix	fern

fougère — Etymology, Origin & Word History | Etymology Explorer