Pāṇini sūtras

A word in the Dative case as the first member retains its accent, when the second member expresses that which is suited to become the former.

1. caturthīचतुर्थी

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   cच्	caturthīचतुर्थी	caturthīचतुर्थी	dative	caturthचतुर्थ् + plus īई

2. tad+artheतद्+अर्थे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   tत्	tadतद्	tadतद्	this	tadतद्
   aअ	arthaअर्थ	artheअर्थे	sense	arthअर्थ् + plus eए

Anuvṛtti

1. pūrva+padamपूर्व+पदम् 6·2·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvaपूर्व	antecedent	pūrvaपूर्व
   pप्	padaपद	padamपदम्	word	padपद् + plus amअम्