Pāṇini sūtras

In a Neuter Tatpurusha ending in first syllable of cihaṇa &c have the acute.

1. ādiḥआदिः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	ādiआदि	ādiḥआदिः	first syllable	ādआद् + plus iḥइः

2. cihaṇa+ādīnāmचिहण+आदीनाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   cच्	cihaṇaचिहण	cihaṇaचिहण	cihaṇa [word]चिहण [wओर्द्]	cihaṇचिहण् + plus aअ
   āआ	ādiआदि	ādīnāmआदीनाम्	etc.	ādआद् + plus īnईन्

Anuvṛtti

1. udāttaḥउदात्तः 6·2·64

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	udāttaउदात्त	udāttaḥउदात्तः	udāttaउदात्त	udāttउदात्त् + plus aḥअः

2. uttara+pada+ādiḥउत्तर+पद+आदिः 6·2·111

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uttaraउत्तर	uttaraउत्तर	last	uttarउत्तर् + plus aअ
   pप्	padaपद	padaपद	word	padपद् + plus aअ
   āआ	ādiआदि	ādiḥआदिः	first syllable	ādआद् + plus iḥइः

3. napuṃsakeनपुंसके 6·2·123

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   nन्	napuṃsakaनपुंसक	napuṃsakeनपुंसके	neuter	napuṃsakनपुंसक् + plus eए

4. kanthāकन्था 6·2·124

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kanthāकन्था	kanthāकन्था	kanthā [word]कन्था [wओर्द्]	kanthकन्थ् + plus āआ