Where does “fulgero” come from?

fulgero (Vulgar Latin) comes from Latin fulgurō, from Latin fulgur, from Proto-Italic folgos — brightness.

Ancestry of “fulgero”, step by step

StepLanguageWordMeaning
1Latinfulgurōto glitter, flash, shine brightly
2Latinfulgurlightning, a flash of lightning; thunderbolt
3Proto-Italicfolgosbrightness
Every word from Proto-Italic folgos →Every word from Latin fulgur →Every word from Latin fulgurō →