Where does “վանք” come from?

վանք (Old Armenian) comes from Old Armenian վան, from Parthian vān-, from Old Iranian wāhana-.

վանք (Old Armenian): nominative plural of վան

Definitions

Step	Language	Word	Meaning
1	Old Armenian	վան	lodging, dwelling, home, habitation, abode;...
2	Parthian	vān-	—
3	Old Iranian	wāhana-	—

վանք — Etymology, Origin & Word History | Etymology Explorer