Where does “jonc” come from?

jonc (Old French) comes from Latin iuncus, from Proto-Italic joinikos, from Proto-Indo-European yoy-ni-.

jonc (Old French): rush

Definitions

Step	Language	Word	Meaning
1	Latin	iuncus	rush, reed
2	Proto-Italic	joinikos	—
3	Proto-Indo-European	yoy-ni-	—

jonc — Etymology, Origin & Word History | Etymology Explorer