Pāṇini sūtras

The affix vun (_/_— aka) comes after the words pâda and śata when preceded by a numeral, the sense being that of distributive relation; and the final of the stem is elided,

1. pāda+śatasyaपाद+शतस्य

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pādaपाद	pādaपाद	pāda [word]पाद [wओर्द्]	pādपाद् + plus aअ
   śश्	śataशत	śatasyaशतस्य	śata [word]शत [wओर्द्]	śatशत् + plus asyaअस्य

2. saṅkhyā+ādeḥसङ्ख्या+आदेः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saṃkhyāसंख्या	saṅkhyāसङ्ख्या	numeral	saṃkhyसंख्य् + plus āआ
   āआ	ādiआदि	ādeḥआदेः	precession	ādआद् + plus eḥएः

3. vīpsāyāmवीप्सायाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vīpsāवीप्सा	vīpsāyāmवीप्सायाम्	distribution	vīpsवीप्स् + plus āyआय्

4. vunवुन्

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vunवुन्	vunवुन्	vunवुन्	vunवुन्

5. lopaḥलोपः

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

6. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	and	caच