Pāṇini sūtras

The affixes śatṛ and śānac are substitutes of laṭ when agreeing with what does not end with the first case-affix.

1. laṭaḥलटः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	laṭलट्	laṭaḥलटः	present	laṭलट् + plus aḥअः

2. śatṛ+śānacauशतृ+शानचौ

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   śश्	śatṛशतृ	śatṛशतृ	śatṛशतृ	śatशत् + plus ṛऋ
   śश्	śānacशानच्	śānacauशानचौ	śānacशानच्	śānacशानच् + plus auऔ

3. a+prathamā+samāna+adhikaraṇeअ+प्रथमा+समान+अधिकरणे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   pप्	prathamāप्रथमा	prathamāप्रथमा	nominative	prathamप्रथम् + plus āआ
   sस्	samānaसमान	samānaसमान	identical	samānसमान् + plus aअ
   aअ	adhikaraṇaअधिकरण	adhikaraṇeअधिकरणे	reference	adhikaraṇअधिकरण् + plus eए