Where does “Ասպետ” come from?

Ասպետ (Armenian) comes from Old Armenian ասպետ, from Proto-Iranian Hacwapatiš.

Ancestry of “Ասպետ”, step by step

Step	Language	Word	Meaning
1	Old Armenian	ասպետ	knight; aspet
2	Proto-Iranian	Hacwapatiš	—

Ասպետ — Etymology, Origin & Word History | Etymology Explorer