Where does “Alceo” come from?

Alceo (Italian) comes from Latin Alcaeus, from Ancient Greek Ἀλκαῖος, from Ancient Greek -αῖος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Alceo”, step by step

Step	Language	Word	Meaning
1	Latin	Alcaeus	—
2	Ancient Greek	Ἀλκαῖος	Alcaeus
3	Ancient Greek	-αῖος	Suffix added to nouns or adjectives, forming adjectives: pertaining to, belonging to ("of")
4	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
5	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek -αῖος →