Where does “Palermu” come from?

Palermu (Sicilian) comes from Arabic بَلَرْم, from Latin Panormus, from Ancient Greek Πάνορμος, from Ancient Greek πᾰν-, from Ancient Greek πᾶς, from Proto-Hellenic *pánts.

Ancestry of “Palermu”, step by step

Step	Language	Word	Meaning
1	Arabic	بَلَرْم	—
2	Latin	Panormus	—
3	Ancient Greek	Πάνορμος	—
4	Ancient Greek	πᾰν-	every; all, every
5	Ancient Greek	πᾶς	all, every, each; whole
6	Proto-Hellenic	*pánts	—

Every word from Proto-Hellenic *pánts →