Where does “घटित” come from?

घटित (Sanskrit) comes from Sanskrit घट, from Sanskrit ग्रन्थ्, from Proto-Indo-Iranian *grantH-.

Ancestry of “घटित”, step by step

Step	Language	Word	Meaning
1	Sanskrit	घट	pot
2	Sanskrit	ग्रन्थ्	—
3	Proto-Indo-Iranian	*grantH-	—

घटित — Etymology, Origin & Word History | Etymology Explorer