Pāṇini sūtras

When the words ariṣṭa and gauḍa stand first, the first member has the acute oil the final before the word pura

1. ariṣṭa+gauḍa+pūrveअरिष्ट+गौड+पूर्वे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	ariṣṭaअरिष्ट	ariṣṭaअरिष्ट	ariṣṭa [word]अरिष्ट [wओर्द्]	ariṣṭअरिष्ट् + plus aअ
   gग्	gauḍaगौड	gauḍaगौड	gauḍa [word]गौड [wओर्द्]	gauḍगौड् + plus aअ
   pप्	pūrvaपूर्व	pūrveपूर्वे	antecedent	pūrvaपूर्व

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. pūrva+padamपूर्व+पदम् 6·2·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvaपूर्व	antecedent	pūrvaपूर्व
   pप्	padaपद	padamपदम्	word	padपद् + plus amअम्

2. udāttaḥउदात्तः 6·2·64

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	udāttaउदात्त	udāttaḥउदात्तः	udāttaउदात्त	udāttउदात्त् + plus aḥअः

3. antaḥअन्तः 6·2·92

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

4. pureपुरे 6·2·99

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	puraपुर	pureपुरे	pura [word]	purपुर् + plus eए