Pāṇini sūtras

A word ending with the 7th case-affix is compounded with the words siddha ‘perfected,’ śushka ‘dried,’ pakva ‘cooked’ and bandha ‘bound,’ and the resulting compound is Tat-purusha.

1. siddha+śuṣka+pakva+bandhaiḥसिद्ध+शुष्क+पक्व+बन्धैः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	sidhसिध्	siddhaसिद्ध	perfect	siddhसिद्ध् + plus aअ
   śश्	śuṣkaशुष्क	śuṣkaशुष्क	dried	śuṣkशुष्क् + plus aअ
   pप्	pakvaपक्व	pakvaपक्व	cooked	pakvपक्व् + plus aअ
   bब्	bandhaबन्ध	bandhaiḥबन्धैः	binding	bandhबन्ध् + plus aiḥऐः

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. saptamīसप्तमी 2·1·40

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saptamaसप्तम	saptamīसप्तमी	seventh	saptamसप्तम् + plus īई