Where does “तीनि” come from?
तीनि (Old Hindi) comes from Sauraseni Prakrit 𑀢𑀺𑀡𑁆𑀡𑀺, from Ashokan Prakrit 𑀢𑀺𑀁𑀦𑀺, from Sanskrit त्रीणि, from Sanskrit त्रि, from Proto-Indo-Aryan tráyas, from Proto-Indo-Iranian tráyas, from Proto-Indo-European *tréyes.
तीनि (Old Hindi): three
Ancestry of “तीनि”, step by step