Pāṇini sūtras

The affix śas comes optionally after crude forms denoting numbers, and words denoting units of a coin in the singular number, when a distributive sense is to be expressed (and the word is a kâraka).

1. saṅkhyā+ekavacanātसङ्ख्या+एकवचनात्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saṃkhyāसंख्या	saṅkhyāसङ्ख्या	numeral	saṃkhyसंख्य् + plus āआ
   eए	ekavacanaएकवचन	ekavacanātएकवचनात्	singular	ekavacanएकवचन् + plus ātआत्

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. vīpsāyāmवीप्सायाम्

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

Anuvṛtti

1. anyatarasyāmअन्यतरस्याम् 5·4·42

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	anyataraअन्यतर	anyatarasyāmअन्यतरस्याम्	optional	anyataraअन्यतर + plus syāmस्याम्