Where does “निष्कालयति” come from?

निष्कालयति (Sanskrit) comes from Sanskrit निस्-, from Sanskrit नि-, from Proto-Indo-Iranian ní, from Proto-Indo-European ni — down.

Ancestry of “निष्कालयति”, step by step

Step	Language	Word	Meaning
1	Sanskrit	निस्-	out, forth, away &c
2	Sanskrit	नि-	into; down; without, free of
3	Proto-Indo-Iranian	ní	down, downwards; in, into
4	Proto-Indo-European	ni	down