Where does “प्रतिवेश्य” come from?

प्रतिवेश्य (Sanskrit) comes from Sanskrit प्रतिवेश, from Sanskrit वश, from Sanskrit वश्, from Proto-Indo-European weḱ- — to wish, to want.

Ancestry of “प्रतिवेश्य”, step by step

Step	Language	Word	Meaning
1	Sanskrit	प्रतिवेश	—
2	Sanskrit	वश	will, wish, desire; authority, power, control,...
3	Sanskrit	वश्	to will, command; to desire, wish, long for, be...
4	Proto-Indo-European	weḱ-	to wish, to want

प्रतिवेश्य — Etymology, Origin & Word History | Etymology Explorer