Pāṇini sūtras

After a kâraka as mentioned in VI.2.148, the second member ending in the affix ana, and denoting an action in the Abstract or the object (i. e. having the senses of a Passive Adjective), has acute on the final.

1. anaḥअनः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	anaअन	anaḥअनः	anaअन	anअन् + plus aḥअः

2. bhāva+karma+vacanaḥभाव+कर्म+वचनः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhāvaभाव	bhāvaभाव	state	bhāvभाव् + plus aअ
   kक्	karmanकर्मन्	karmaकर्म	object	karmकर्म् + plus aअ
   vव्	vacanaवचन	vacanaḥवचनः	statement	vacanवचन् + plus aḥअः

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. kārakātकारकात् 6·2·148

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kārakaकारक	kārakātकारकात्	kārakaकारक	kārakकारक् + plus ātआत्