Where does “रूपवत्” come from?

रूपवत् (Sanskrit) comes from Sanskrit रूप, from Sanskrit रूप् — to form, shape.

Ancestry of “रूपवत्”, step by step

Step	Language	Word	Meaning
1	Sanskrit	रूप	outward appearance, color, form, shape; right...
2	Sanskrit	रूप्	to form, shape

रूपवत् — Etymology, Origin & Word History | Etymology Explorer