Where does “lattuga” come from?

lattuga (Italian) comes from Old Italian lattuca, from Latin lactūca, from Latin lác, from Proto-Indo-European ǵlákts — milk.

lattuga (Italian): lettuce

Definitions

Step	Language	Word	Meaning
1	Old Italian	lattuca	—
2	Latin	lactūca	—
3	Latin	lác	—
4	Proto-Indo-European	ǵlákts	milk

lattuga — Etymology, Origin & Word History | Etymology Explorer