Where does “Alban” come from?

Alban (Romanian) comes from Romanian albă, from Vulgar Latin alba, from Latin Albus, from Proto-Italic alβos, from Proto-Indo-European h₂élbʰos — white.

Ancestry of “Alban”, step by step

StepLanguageWordMeaning
1Romanianalbăfeminine singular of alb
2Vulgar Latinalba
3LatinAlbuswhite properly without, dull white
4Proto-Italicalβoswhite
5Proto-Indo-Europeanh₂élbʰoswhite
Every word from Proto-Indo-European h₂élbʰosEvery word from Proto-Italic alβosEvery word from Latin Albus