Pāṇini sūtras

The acute is on the first syllable of sarva when the case-endings follow.

German sarva hat vor den Casusendungen den Acut auf der ersten Silbe. (191)

1. sarvasyaसर्वस्य

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	sarvaसर्व	sarvasyaसर्वस्य	sarva [word]	sarvसर्व् + plus asyaअस्य

2. supiसुपि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	supसुप्	supiसुपि	case ending	supसुप् + plus iइ

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