Pāṇini sūtras

Before a Past Participle in ‘kta’, the first member, when it itself is not a Past Participle, retains its original accent in a Karmadhâraya compound.

1. karmadhārayeकर्मधारये

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	karmadhārayaकर्मधारय	karmadhārayeकर्मधारये	karmadhārayaकर्मधारय	karmadhārayकर्मधारय् + plus eए

2. a+niṣṭhāअ+निष्ठा

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   nन्	niṣṭhनिष्ठ्	niṣṭhāनिष्ठा	niṣṭhāनिष्ठा	niṣṭhनिष्ठ् + plus āआ

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

2. kteक्ते 6·2·45

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	ktaक्त	kteक्ते	ktaक्त	ktक्त् + plus eए