Where does “хостан” come from?

хостан (Tajik) comes from Persian خواستن, from Middle Persian hwʾstn', from Proto-Indo-European sweh₂d- — sweet.

хостан (Tajik): to want

Definitions

Step	Language	Word	Meaning
1	Persian	خواستن	to want; to intend
2	Middle Persian	hwʾstn'	to seek, to want, to desire; to attract, to...
3	Proto-Indo-European	sweh₂d-	sweet

хостан — Etymology, Origin & Word History | Etymology Explorer