Pāṇini sūtras

The substitution of av and āv for o and au also takes place before an affix beginning with y

German Die Substitution von av und āv (vānta “auf v auslautend”) für o und au findet auch vor einem mit y anlautenden Suffixe statt. (79)

1. va+antaḥव+अन्तः

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

2. yiयि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   yय्	yय्	yiयि	yakāraयकार	yय् + plus iइ

3. pratyayeप्रत्यये

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pratyayaप्रत्यय	pratyayeप्रत्यये	affix	pratyayप्रत्यय् + plus eए

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. e+caḥए+चः 6·1·78

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   eए	eए	eए	ekāraएकार	eए
   cच्	cच्	caḥचः	CC	cच् + plus aḥअः