Pāṇini sūtras

For the vowels e, ai, o and au are respectively substituted ay, āy, av and āv when a vowel follows.

German Für e, o, ai und au werden vor einem Vocale der Reihe nach ay, av, āy und āv substituirt. (78)

1. e+caḥए+चः

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

2. ay+av+āy+āvaḥअय्+अव्+आय्+आवः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	ayअय्	ayअय्	ayअय्	ayअय्
   aअ	avअव्	avअव्	avअव्	avअव्
   āआ	āyआय्	āyआय्	āyआय्	āyआय्
   āआ	āvआव्	āvaḥआवः	āvआव्	āvआव् + 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