Where does “ambrosiano” come from?

ambrosiano (Italian) comes from Latin ambrosiānus, from Latin ambrosius, from Ancient Greek ἀμβρόσιος, from Ancient Greek ἄμβροτος, from Proto-Indo-European n̥mr̥tós, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

ambrosiano (Italian): Ambrosian; Milanese, relating to Milan; Native of...

Definitions

Ambrosian; Milanese, relating to Milan; Native of...

Ancestry of “ambrosiano”, step by step

Step	Language	Word	Meaning
1	Latin	ambrosiānus	—
2	Latin	ambrosius	Ambrosial, divine, immortal
3	Ancient Greek	ἀμβρόσιος	immortal, divine
4	Ancient Greek	ἄμβροτος	immortal, divine; belonging to the gods
5	Proto-Indo-European	n̥mr̥tós	immortal
6	Proto-Indo-European	n̥-	not, un-
7	Proto-Indo-European	ne	not

Every word from Proto-Indo-European ne →Every word from Proto-Indo-European n̥- →Every word from Proto-Indo-European n̥mr̥tós →