Pāṇini sūtras

The words formed with the Taddhita affixes ya and yat when not denoting ‘useful tor that’, have acute on the last syllable, after the particle nañ negativing the attribute.

1. ya+yatoḥय+यतोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   yय्	yaय	yaय	yaय	yय् + plus aअ
   yय्	yatयत्	yatoḥयतोः	yatयत्	yatयत् + plus oḥओः

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. a+tad+artheअ+तद्+अर्थे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   tत्	tadतद्	tadतद्	he/she	tadतद्
   aअ	arthaअर्थ	artheअर्थे	sense	arthअर्थ् + plus eए

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. antaḥअन्तः 6·2·143

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	antaअन्त	antaḥअन्तः	last syllable	antअन्त् + plus aḥअः

4. guṇa+pratiṣedheगुण+प्रतिषेधे 6·2·155

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   gग्	guṇaगुण	guṇaगुण	quality	guṇगुण् + plus aअ
   pप्	pratiṣedhaप्रतिषेध	pratiṣedheप्रतिषेधे	denial	pratiṣedhप्रतिषेध् + plus eए