Where does “fagulla” come from?

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

Ancestry of “fagulla”, step by step

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

Words derived from “fagulla”

fagulha
faúlha
fagulhar
faulhar

Every word from Proto-Indo-European ǵʷʰeh₂k- →Every word from Latin fax →Every word from Latin facula →