Pāṇini sūtras

The affix ḍyaṇ comes in the Chhandas, in the sense of ‘what stays there’ after the words ‘pâthas’ and ‘nadû’ wherby the last vowel, with the consonant following, is elided.

1. pāthaḥ+nadībhyāmपाथः+नदीभ्याम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pāthasपाथस्	pāthaḥपाथः	pāthas [word]पाथस् [wओर्द्]	pāthपाथ् + plus aḥअः
   nन्	nadīनदी	nadībhyāmनदीभ्याम्	nadī [word]नदी [wओर्द्]	nadनद् + plus ībhy&ईभ्य्&

2. ḍyaṇड्यण्

   Part	Lexeme	Sandhi form	Meaning	Stem
   ḍड्	ḍyaṇड्यण्	ḍyaṇड्यण्	ḍyaṇड्यण्	ḍyaṇड्यण्

Anuvṛtti

1. tatraतत्र 4·4·98

   Part	Lexeme	Sandhi form	Meaning	Stem
   tत्	tatraतत्र	tatraतत्र	locative	tatraतत्र

2. chandasiछन्दसि 4·4·110

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   cच्	chandasछन्दस्	chandasiछन्दसि	Veda	chandछन्द् + plus asiअसि