Pāṇini sūtras

Accortling to the opinion of Âpiśali, the Vṛiddhi is optionally the single substitute, when the a or ā of a preposition is followed by a Denominative Verb beginning with ṛ

German Nach Āpiśali’s Meinung nicht nothwendig, wenn das mit ṛ anlautende Verbum ein Denominativ ist. (92)

1. vāवा

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vāवा	vāवा	optionally	vāवा

2. supiसुपि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	supसुप्	supiसुपि	locative ending	supसुप् + plus iइ

3. āpiśaleḥआपिशलेः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	āpiśaliआपिशलि	āpiśaleḥआपिशलेः	ĀpiśaliĀपिशलि	āpiśalआपिशल् + plus eḥएः

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. ā+tआ+त् 6·1·87

   Part	Lexeme	Sandhi form	Meaning	Stem
   āआ	āआ	āआ	ākāraआकार	āआ
   tत्	tत्	tत्	TT	tत्

5. vṛddhiḥवृद्धिः 6·1·88

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vṛddhiवृद्धि	vṛddhiḥवृद्धिः	vṛddhiवृद्धि	vṛddhवृद्ध् + plus iḥइः

6. ṛ+tiऋ+ति 6·1·91

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ṛऋ	ṛऋ	ṛऋ	ṛkāraऋकार	ṛऋ
   tत्	tत्	tiति	TT	tत् + plus iइ