Where does “arba” come from?

arba (Neapolitan) comes from Vulgar Latin alba, from Latin Albus, from Proto-Italic alβos, from Proto-Indo-European h₂élbʰos — white.

arba (Neapolitan): dawn

Definitions

Step	Language	Word	Meaning
1	Vulgar Latin	alba	—
2	Latin	Albus	—
3	Proto-Italic	alβos	white
4	Proto-Indo-European	h₂élbʰos	white

arba — Etymology, Origin & Word History | Etymology Explorer