Pāṇini sūtras

This substitution of kā, and kava for ku takes place in the Veda, before patha

1. pathiपथि

   Part	Lexeme	Sandhi form	Meaning	Stem
   pप्	pathinपथिन्	pathiपथि	path [word]	pathinपथिन्

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. chandasiछन्दसि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   cच्	chandasछन्दस्	chandasiछन्दसि	Veda	chandछन्द् + plus asiअसि

Anuvṛtti

1. uttara+padeउत्तर+पदे 6·3·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uttaraउत्तर	uttaraउत्तर	last	uttarउत्तर् + plus aअ
   pप्	padaपद	padeपदे	word	padपद् + plus eए

2. koḥकोः 6·3·101

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kuकु	koḥकोः	ku [word]	kक् + plus oḥओः

3. kāका 6·3·104

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kāका	kāका	kā-का-	kक् + plus āआ

4. vibhāṣāविभाषा 6·3·106

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vibhāṣविभाष्	vibhāṣāविभाषा	option	vibhāṣविभाष् + plus āआ

5. kavamकवम् 6·3·107

   Part	Lexeme	Sandhi form	Meaning	Stem
   kक्	kavamकवम्	kavamकवम्	kavam [word]	kavamकवम्