Where does “facucla” come from?

facucla (Latin) comes from Latin facucula, from Latin facula, from Latin fax, from Proto-Indo-European ǵʷʰeh₂k- — to shine.

Ancestry of “facucla”, step by step

Step	Language	Word	Meaning
1	Latin	facucula	—
2	Latin	facula	small torch
3	Latin	fax	torch, firebrand; fireball, comet; cause of ruin,...
4	Proto-Indo-European	ǵʷʰeh₂k-	to shine

facucla — Etymology, Origin & Word History | Etymology Explorer