Where does “Βῆλος” come from?

Βῆλος (Ancient Greek) comes from Akkadian bēlum, from Proto-Semitic *baʕl-.

Ancestry of “Βῆλος”, step by step

Step	Language	Word	Meaning
1	Akkadian	bēlum	—
2	Proto-Semitic	*baʕl-	—