Where does “Aegaeus” come from?

Aegaeus (Latin) comes from Ancient Greek Αἰγαῖος, from Ancient Greek -αῖος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Aegaeus (Latin): Of or relating to the Aegean Sea or the regions bordering it

Definitions

Of or relating to the Aegean Sea or the regions bordering it

Ancestry of “Aegaeus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Αἰγαῖος	Aegean
2	Ancient Greek	-αῖος	Suffix added to nouns or adjectives, forming adjectives: pertaining to, belonging to ("of")
3	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
4	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 →