Where does “Fegeo” come from?

Fegeo (Italian) comes from Latin Phegeus, from Ancient Greek Φηγεύς, from Ancient Greek φηγός, from Proto-Hellenic pʰāgós, from Proto-Indo-European bʰeh₂ǵos — beech.

Ancestry of “Fegeo”, step by step

Step	Language	Word	Meaning
1	Latin	Phegeus	—
2	Ancient Greek	Φηγεύς	Phegeus, priest of Hephaestus in Troy, slain by Diomedes
3	Ancient Greek	φηγός	oak; acorn
4	Proto-Hellenic	pʰāgós	beech? oak?
5	Proto-Indo-European	bʰeh₂ǵos	beech

Every word from Proto-Indo-European bʰeh₂ǵos →Every word from Proto-Hellenic pʰāgós →Every word from Ancient Greek φηγός →