Pāṇini sūtras

For div is also substituted divas (as well as dyāvā) when pṛthivī follows in a Dvandva of the names of Devatas.

1. divasaḥदिवसः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	divasaदिवस	divasaḥदिवसः	divasa [word]	divasदिवस् + plus aḥअः

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. pṛthivyāmपृथिव्याम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pṛthivīपृथिवी	pṛthivyāmपृथिव्याम्	pṛthivī [word]पृथिवी [wओर्द्]	pṛthivपृथिव् + plus yāmयाम्

Anuvṛtti

1. uttara+padeउत्तर+पदे 6·3·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uttaraउत्तर	uttaraउत्तर	last	uttarउत्तर् + plus aअ
   pप्	padaपद	padeपदे	word	padपद् + plus eए

2. devatā+dvandveदेवता+द्वन्द्वे 6·3·26

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	devatāदेवता	devatāदेवता	Hindu deity	devatदेवत् + plus āआ
   dद्	dvaṃdvaद्वंद्व	dvandveद्वन्द्वे	DvaṃdvaDवंद्व	dvaṃdvद्वंद्व् + plus eए

3. dyāvāद्यावा 6·3·29

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	dyāvāद्यावा	dyāvāद्यावा	dyāvā [word]द्यावा [wओर्द्]	dyāvद्याव् + plus āआ