Pāṇini sūtras

Also when the unaccented endings of the three persons in the singular follow, the first syllable of the reduplicate has the acute.

German Auch vor den unbetonten Endungen der drei Personen im Sg. (190)

1. anudātteअनुदात्ते

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	anudāttaअनुदात्त	anudātteअनुदात्ते	unaccented	anudāttअनुदात्त् + plus eए

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. udāttaḥउदात्तः 6·1·159

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	udāttaउदात्त	udāttaḥउदात्तः	udāttaउदात्त	udāttउदात्त् + plus aḥअः

2. la+sārvadhātukamल+सार्वधातुकम् 6·1·186

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	laल	laल	verbal ending	lल् + plus aअ
   sस्	sārvadhātuसार्वधातु	sārvadhātukamसार्वधातुकम्	sārvadhātukaसार्वधातुक	sārvadhātukसार्वधातुक् + plus amअम्

3. ādiḥआदिः 6·1·189

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	ādiआदि	ādiḥआदिः	first syllable	ādआद् + plus iḥइः