Pāṇini sūtras

The a standing at the end of a stem is elided before an ârdhadhâtuka affix.

German Das im Auslaut eines Verbalstammes stehende a fällt vor einem ārdhadhātuka ab. (48)

1. a+taḥअ+तः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	akāraअकार	aअ
   tत्	tत्	taḥतः	TT	tत् + plus aḥअः

2. lopaḥलोपः

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

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