Where does “Palermo” come from?

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

Ancestry of “Palermo”, step by step

Step	Language	Word	Meaning
1	Italian	Palermo	the letter P in the [[Appendix:Italian spelling alphabet
2	Sicilian	Palermu	—
3	Arabic	بَلَرْم	—
4	Latin	Panormus	—
5	Ancient Greek	Πάνορμος	Panormus; Bandırma, Marmara, Turkey
6	Ancient Greek	πᾰν-	every; all, every
7	Ancient Greek	πᾶς	all, every, each; whole
8	Proto-Hellenic	*pánts	—

Every word from Proto-Hellenic *pánts →Every word from Ancient Greek πᾶς →Every word from Ancient Greek πᾰν- →