Pāṇini sūtras

The end syllable of that sentence is optionally pluta, when it asserts something which has been refuted, and is employed by the victor by way of censure.

1. nigṛhya+anuyogeनिगृह्य+अनुयोगे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   nन्	nigrahनिग्रह्	nigṛhyaनिगृह्य	suppress
   aअ	anuyogaअनुयोग	anuyogeअनुयोगे	censure	anuyogअनुयोग् + plus eए

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. udāttaḥउदात्तः 8·2·82

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	udāttaउदात्त	udāttaḥउदात्तः	udāttaउदात्त	udāttउदात्त् + plus aḥअः

2. vibhāṣāविभाषा 8·2·93

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vibhāṣविभाष्	vibhāṣāविभाषा	option	vibhāṣविभाष् + plus āआ