Where does “fosco” come from?

fosco (Galician) comes from Old Portuguese fosco, from Latin Fuscus, from Latin fuscus, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

fosco (Galician): Not shiny; having a matte finish or no particular...

Definitions

Step	Language	Word	Meaning
1	Old Portuguese	fosco	—
2	Latin	Fuscus	swarthy, dusky, dark
3	Latin	fuscus	dark, dim, dimly lit; black, brown; husky, hoarse
4	Proto-Indo-European	dʰewh₂-	smoke; mist, haze