Where does “sufroj” come from?

sufroj (Albanian) comes from Italian zufolare, from Vulgar Latin sufilare, from Latin sībilāre, from Latin sībilus, from Proto-Indo-European sweysd- — to hiss.

Ancestry of “sufroj”, step by step

Step	Language	Word	Meaning
1	Italian	zufolare	to play the whistle; to whistle; to flute
2	Vulgar Latin	sufilare	—
3	Latin	sībilāre	—
4	Latin	sībilus	a hissing, whistling
5	Proto-Indo-European	sweysd-	to hiss

Every word from Proto-Indo-European sweysd- →Every word from Latin sībilus →Every word from Latin sībilāre →