Pāṇini sūtras

For the simple vowel of a nominal-stem and for the vowel of the case-affixes of the Nominative and the Accusative in all numbers, there is the single substitution of a long vowel corresponding to the first vowel.

German Für den einfachen Vocal eines Stammes und für den Vocal der Casusendungen des Nominativs und Accusativs in allen Zahlen wird die dem ersten Vocal entsprechende Länge allein substituirt. (102)

1. prathamayoḥप्रथमयोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	prathamaप्रथम	prathamayoḥप्रथमयोः	first	prathamप्रथम् + plus ayoḥअयोः

2. pūrva+savarṇaḥपूर्व+सवर्णः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvaपूर्व	first	pūrvaपूर्व
   sस्	savarṇaसवर्ण	savarṇaḥसवर्णः	homophonous	savarṇसवर्ण् + plus aḥअः

Anuvṛtti

1. saṃhitāyāmसंहितायाम् 6·1·72

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

2. ya+ṇ+a+ciय+ण्+अ+चि 6·1·77

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	akāraअकार	aअ
   cच्	cच्	ciचि	CC	cच् + plus iइ

3. pūrva+parayoḥपूर्व+परयोः 6·1·84

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvaपूर्व	antecedent	pūrvaपूर्व
   pप्	paraपर	parayoḥपरयोः	following	paraपर + plus yoḥयोः

4. dīrghaḥदीर्घः 6·1·101

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	dīrghaदीर्घ	dīrghaḥदीर्घः	long	dīrghदीर्घ् + plus aḥअः