Pāṇini sūtras

A word ending with the third case-affix when it denotes the agent or the instrument, is compounded optionally with a word ending in a kṛitya affix, when an exaggerated statement (whether of praise or of censure) is implied, and the compound is Tat-purusha.

1. kṛtyaiḥकृत्यैः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kṛtyaकृत्य	kṛtyaiḥकृत्यैः	kṛtyaकृत्य	kṛtyकृत्य् + plus aiḥऐः

2. adhika+artha+vacaneअधिक+अर्थ+वचने

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	adhikaअधिक	adhikaअधिक	more(a)	adhikअधिक् + plus aअ
   aअ	arthaअर्थ	arthaअर्थ	meaning	arthअर्थ् + plus aअ
   vव्	vacanaवचन	vacaneवचने	statement	vacanवचन् + plus eए

Anuvṛtti

1. tṛtīyāतृतीया 2·1·30

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

2. kartṛ+karaṇeकर्तृ+करणे 2·1·32

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kartṛकर्तृ	kartṛकर्तृ	agens	kartकर्त् + plus ṛऋ
   kक्	karaṇaकरण	karaṇeकरणे	instrument	karaṇकरण् + plus eए