Where does “Torralba” come from?

Torralba (English) comes from Spanish Torralba, from Catalan Torralba, from Catalan alba, from Vulgar Latin alba, from Latin Albus, from Proto-Italic alβos, from Proto-Indo-European h₂élbʰos — white.

Ancestry of “Torralba”, step by step

Step	Language	Word	Meaning
1	Spanish	Torralba	—
2	Catalan	Torralba	—
3	Catalan	alba	dawn; the white tunic worn by priests
4	Vulgar Latin	alba	—
5	Latin	Albus	white properly without, dull white
6	Proto-Italic	alβos	white
7	Proto-Indo-European	h₂élbʰos	white

Every word from Proto-Indo-European h₂élbʰos →Every word from Proto-Italic alβos →Every word from Latin Albus →