Pāṇini sūtras

In a Mantra, the final of oṣadhi is lengthened before the case-endings, but not in the Nominative.

1. oṣadheḥओषधेः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   oओ	oṣadhiओषधि	oṣadheḥओषधेः	oṣadhi [word]ओषधि [wओर्द्]	oṣadhओषध् + plus eḥएः

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. vibhaktauविभक्तौ

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vibhaktiविभक्ति	vibhaktauविभक्तौ	inflectional suffix	vibhaktविभक्त् + plus auऔ

4. a+prathamāyāmअ+प्रथमायाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   pप्	prathamāप्रथमा	prathamāyāmप्रथमायाम्	nominative	prathamप्रथम् + plus āyआय्

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. pūrvasyaपूर्वस्य 6·3·111

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvasyaपूर्वस्य	antecedent	pūrvaपूर्व + plus syaस्य

3. saṃhitāyāmसंहितायाम् 6·3·114

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saṃhitāसंहिता	saṃhitāyāmसंहितायाम्	continuous speech	saṃhitसंहित् + plus āyआय्

4. mantreमन्त्रे 6·3·131

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   mम्	mantraमन्त्र	mantreमन्त्रे	Mantra	mantrमन्त्र् + plus eए