Pāṇini sūtras

The affix chha (īya) is added without change of sense, to a stem ending in the word jāti, when it means appropriateness.

1. jāti+antāt+chaजाति+अन्तात्+छ

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   jज्	jātiजाति	jātiजाति	jāti [word]जाति [wओर्द्]	jātजात् + plus iइ
   aअ	antaअन्त	antātअन्तात्	end	antअन्त् + plus ātआत्
   cच्	chaछ	chaछ	īyaईय	chछ् + plus aअ

2. bandhuniबन्धुनि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bandhuबन्धु	bandhuniबन्धुनि	connection	bandhबन्ध् + plus uniउनि