Pāṇini sūtras

For ahan is substituted ahna, when preceded by the above words, (and taking the affix ṭach to be mentioned in V.4.91).

1. ahnaḥअह्नः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aharअहर्	ahnaḥअह्नः	ahar [word]	aharअहर् + plus ḥः

2. ahnaḥअह्नः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	ahnaअह्न	ahnaḥअह्नः	ahna [word]	ahnअह्न् + plus aḥअः

3. etebhyaḥएतेभ्यः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   eए	etadएतद्	etebhyaḥएतेभ्यः	this	etadएतद् + plus hyaḥह्यः

Anuvṛtti

1. samāsa+antāḥसमास+अन्ताः 5·4·68

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	samāsaसमास	samāsaसमास	Sanskrit compound	samāsसमास् + plus aअ
   aअ	antaअन्त	antāḥअन्ताः	end	antअन्त् + plus āMआM

2. saṅkhyā+avyaya+ādeḥसङ्ख्या+अव्यय+आदेः 5·4·86

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saṃkhyāसंख्या	saṅkhyāसङ्ख्या	numeral	saṃkhyसंख्य् + plus āआ
   aअ	avyayaअव्यय	avyayaअव्यय	particle	avyayअव्यय् + plus aअ
   āआ	ādiआदि	ādeḥआदेः	beginning	ādआद् + plus eḥएः