Pāṇini sūtras

The third case-affix is employed after the words denoting the duration of time or place, when the accomplishment of the desired object is meant to be expressed.

1. apavargeअपवर्गे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	apavargaअपवर्ग	apavargeअपवर्गे	completion	apavargअपवर्ग् + plus eए

2. tṛtīyāतृतीया

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   tत्	tṛtīyतृतीय्	tṛtīyāतृतीया	instrumental	tṛtīyतृतीय् + plus āआ

Anuvṛtti

1. a+abhinihiteअ+अभिनिहिते 2·3·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	naन	aअ	not	naन
   aअ	abhidhāअभिधा	abhinihiteअभिनिहिते	express	abhihitअभिहित् + plus iteइते

2. atyanta+saṃyogeअत्यन्त+संयोगे 2·3·5

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	atyantaअत्यन्त	atyantaअत्यन्त	complete	atyantअत्यन्त् + plus aअ
   sस्	saṃyogaसंयोग	saṃyogeसंयोगे	connection	saṃyogसंयोग् + plus eए