Where does “lunedì” come from?

lunedì (Ligurian) comes from Latin Lūnae dīēs, from Latin dies Lūnae, from Ancient Greek σελήνη, from Ancient Greek Σέλας.

lunedì (Ligurian): Monday

Definitions

Step	Language	Word	Meaning
1	Latin	Lūnae dīēs	—
2	Latin	dies Lūnae	—
3	Ancient Greek	σελήνη	moon; month; a moon-shaped cake
4	Ancient Greek	Σέλας	—

lunedì — Etymology, Origin & Word History | Etymology Explorer