Where does “dentelaire” come from?

dentelaire (French) comes from French -aire, from Latin -ārius, from Proto-Italic *-āzios.

dentelaire (French): plumbago, leadwort

Definitions

Step	Language	Word	Meaning
1	French	-aire	-ary; -aire
2	Latin	-ārius	—
3	Proto-Italic	*-āzios	—

dentelaire — Etymology, Origin & Word History | Etymology Explorer