Pāṇini sūtras

In kṣayya and jayyaḥ there is substitution of ay for e only then when the sense is that of “to be possible to do”.

German In kṣayya und jayya findet die Substitution von ay für e statt in der Bedeutung “zu - möglich”. (81)

1. kṣayya+jayyauक्षय्य+जय्यौ

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kṣiक्षि	kṣayyaक्षय्य	decrease	kṣayyक्षय्य् + plus aअ
   jज्	jiजि	jayyauजय्यौ	win	jayyजय्य् + plus auऔ

2. śakya+artheशक्य+अर्थे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   śश्	śakyaशक्य	śakyaशक्य	possible	śakyशक्य् + plus aअ
   aअ	arthaअर्थ	artheअर्थे	sense	arthअर्थ् + 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. pratyayeप्रत्यये 6·1·79

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

4. dhātoḥधातोः 6·1·80

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	dhātuधातु	dhātoḥधातोः	etymon	dhātधात् + plus oḥओः