Where does “llechuga” come from?

llechuga (Asturian) comes from Latin lactūca, from Latin lác, from Proto-Indo-European ǵlákts — milk.

llechuga (Asturian): lettuce

Definitions

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

llechuga — Etymology, Origin & Word History | Etymology Explorer