Where does “fulgurar” come from?

fulgurar (Galician) comes from Latin fulgurō, from Latin fulgur, from Proto-Italic folgos — brightness.

Definitions

Ancestry of “fulgurar”, 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 →
fulgurar — Etymology, Origin & Word History | Etymology Explorer