Pāṇini sūtras

Before a Taddhita affix having an indicatory ñ, ṇ or k, the Vṛiddhi is substituted for the first vowels of both members of the compound, which is the name of a city of the Eastern People, and which ends in the word nagara

1. prācāmप्राचाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	prāñcप्राञ्च्	prācāmप्राचाम्	eastern	prप्र् + plus ācआच्

2. nagara+anteनगर+अन्ते

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   nन्	nagaraनगर	nagaraनगर	nagara [word]	nagarनगर् + plus aअ
   aअ	antaअन्त	anteअन्ते	end	antअन्त् + plus eए

Anuvṛtti

1. uttara+padasyaउत्तर+पदस्य 7·3·10

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uttaraउत्तर	uttaraउत्तर	following	uttarउत्तर् + plus aअ
   pप्	padaपद	padasyaपदस्य	word	padपद् + plus asyaअस्य

2. pūrva+padasyaपूर्व+पदस्य 7·3·19

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvaपूर्व	antecedent	pūrvaपूर्व
   pप्	padaपद	padasyaपदस्य	word	padपद् + plus asyaअस्य