Pāṇini sūtras

The final ā of a root is elided before an ârdhadhâtuka affix with the augment iṭ as well as when it begins with a vowel and has an indicatory k or ṅ

German Auslautendes ā einer Wurzel fällt ab vor diesen Suffixen und vor einem ārdhadhātuka mit dem Augment i. (64)

1. ā+taḥआ+तः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	āआ	āआ	ākāraआकार	āआ
   tत्	tत्	taḥतः	TT	tत् + plus aḥअः

2. lopaḥलोपः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	lopaलोप	lopaḥलोपः	elision	lopलोप् + plus aḥअः

3. iṭiइटि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   iइ	iṭइट्	iṭiइटि	iṭइट्	iṭइट् + plus iइ

4. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	and	caच

Anuvṛtti

1. bhātभात् 6·4·22

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhaभ	bhātभात्	bhaभ	bhभ् + plus ātआत्

2. ārdhadhātukeआर्धधातुके 6·4·46

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	ārdhadhātuआर्धधातु	ārdhadhātukeआर्धधातुके	ārdhadhātukaआर्धधातुक	ārdhadhātukआर्धधातुक् + plus eए

3. k+ṅ+itiक्+ङ्+इति 6·4·63

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kक्	kक्	kakāraककार	kक्
   ṅङ्	ṅङ्	ṅङ्	ṅakāraङकार	ṅङ्
   iइ	itइत्	itiइति	itइत्	itइत् + plus iइ