Where does “fel” come from?

fel (Old Portuguese) comes from Vulgar Latin *felem, from Latin fel, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

Ancestry of “fel”, step by step

StepLanguageWordMeaning
1Vulgar Latin*felem—
2Latinfelgall bladder; gall, bile; poison
3Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

Words derived from “fel”

Every word from Proto-Indo-European ǵʰelh₃- →Every word from Latin fel →Every word from Vulgar Latin *felem →
fel — Etymology, Origin & Word History | Etymology Explorer