Where does “Хәсән” come from?

Хәсән (Bashkir) comes from Arabic حَسَن — fine, good, good-looking, handsome, manly; strong.

Ancestry of “Хәсән”, step by step

Step	Language	Word	Meaning
1	Arabic	حَسَن	fine, good, good-looking, handsome, manly; strong

Хәсән — Etymology, Origin & Word History | Etymology Explorer