Pāṇini sūtras

The words cūrṇa &c, in a Tatpurusha compound have acute on the first syllable, when the preceding word ends in a Genitive and does not denote a living being.

1. cūrṇa+ādīniचूर्ण+आदीनि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   cच्	cūrṇaचूर्ण	cūrṇaचूर्ण	cūrṇa [word]चूर्ण [wओर्द्]	cūrṇचूर्ण् + plus aअ
   āआ	ādiआदि	ādīniआदीनि	etc.	ādआद् + plus īniईनि

2. a+prāṇi+ṣaṣṭhyāḥअ+प्राणि+षष्ठ्याः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   pप्	prāṇinप्राणिन्	prāṇiप्राणि	being	prāṇप्राण् + plus iइ
   ṣष्	ṣaṣ̊षष्̊	ṣaṣṭhyāḥषष्ठ्याः	genitive	ṣaṣṭhषष्ठ् + plus yāया

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. tatpuruṣeतत्पुरुषे 6·2·123

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   tत्	tatpuruṣaतत्पुरुष	tatpuruṣeतत्पुरुषे	tatpuruṣaतत्पुरुष	tatpuruṣतत्पुरुष् + plus eए