Where does “tifoseria” come from?

tifoseria (Italian) comes from Italian tifo, from New Latin tȳphus, from Ancient Greek τῦφος, from Ancient Greek τύφω, from Proto-Indo-European dhubh-, from Proto-Indo-European dheu- — scatter like dust.

tifoseria (Italian): All the fans of a club considered as a whole;...

Definitions

All the fans of a club considered as a whole;...

Ancestry of “tifoseria”, step by step

Step	Language	Word	Meaning
1	Italian	tifo	typhus; enthusiasm; hence fan; first-person...
2	New Latin	tȳphus	—
3	Ancient Greek	τῦφος	a kind of fever; delusion, vanity; nonsense
4	Ancient Greek	τύφω	to smoke, fill with smoke; to consume in smoke
5	Proto-Indo-European	dhubh-	—
6	Proto-Indo-European	dheu-	scatter like dust

Every word from Proto-Indo-European dheu- →Every word from Proto-Indo-European dhubh- →Every word from Ancient Greek τύφω →