Where does “सैंतीसवाँ” come from?

सैंतीसवाँ (Hindi) comes from Hindi सैंतीस, from Sanskrit सप्तत्रिंशत्, from Sanskrit त्रिंशत्, from Proto-Indo-Aryan triHśát, from Proto-Indo-Iranian triHćát, from Proto-Indo-European tridḱómt, from Proto-Indo-European tri-, from Proto-Indo-European tréyes — three.

सैंतीसवाँ (Hindi): thirty-seventh

Definitions

thirty-seventh

Ancestry of “सैंतीसवाँ”, step by step

Step	Language	Word	Meaning
1	Hindi	सैंतीस	thirty-seven
2	Sanskrit	सप्तत्रिंशत्	thirty-seven
3	Sanskrit	त्रिंशत्	thirty
4	Proto-Indo-Aryan	triHśát	—
5	Proto-Indo-Iranian	triHćát	thirty
6	Proto-Indo-European	tridḱómt	thirty
7	Proto-Indo-European	tri-	three, threefold
8	Proto-Indo-European	tréyes	three

Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tri- →Every word from Proto-Indo-European tridḱómt →