Pāṇini sūtras

The affixes ‘ktvâ’ and ‘ṇamul’ are added to the roots ‘kṛi’ and ‘bhû’, when a word ending in the affix ‘nâ’ (V.2.27) or in an affix having the force of ‘dhâ’ (V.3.42), or having the sense of the affix ‘chvi’ (to make or to become something what it had not been before, V.4.50), is in composition.

1. nā+dhā+artha+pratyayeना+धा+अर्थ+प्रत्यये

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   nन्	nāना	nāना	nāना	nन् + plus āआ
   dद्	dhāधा	dhāधा	dhāधा	dhध् + plus āआ
   aअ	arthaअर्थ	arthaअर्थ	sense	arthअर्थ् + plus aअ
   pप्	pratyayaप्रत्यय	pratyayeप्रत्यये	affix	pratyayप्रत्यय् + plus eए

2. cvi+artheच्वि+अर्थे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   cच्	cviच्वि	cviच्वि	cviच्वि	cvच्व् + plus iइ
   aअ	arthaअर्थ	artheअर्थे	sense	arthअर्थ् + plus eए

Anuvṛtti

1. ktvā+ṇamulauक्त्वा+णमुलौ 3·4·59

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	ktvāक्त्वा	ktvāक्त्वा	ktvāक्त्वा	ktvāक्त्वा
   ṇण्	ṇamulणमुल्	ṇamulauणमुलौ	ṇamulणमुल्	ṇamulणमुल् + plus auऔ

2. kṛ+bhvoḥकृ+भ्वोः 3·4·61

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kṛकृ	kṛकृ	kṛकृ	kक् + plus ṛऋ
   bब्	bhūभू	bhvoḥभ्वोः	bhūभू	bhभ् + plus voḥवोः