Pāṇini sūtras

The affix ṭhañ also (as well as vuñ) comes after the words ‘samvatsara’ and ‘agrâhâyaṇû’ in the sense of ‘debt due.’

1. saṃvatsara+āgrahāyaṇībhyāmसंवत्सर+आग्रहायणीभ्याम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saṃvatsaraसंवत्सर	saṃvatsaraसंवत्सर	saṃvatsara [word]संवत्सर [wओर्द्]	saṃvatsarसंवत्सर् + plus aअ
   āआ	āgrahāya&#आग्रहाय&#	āgrahāyaṇībhyāmआग्रहायणीभ्याम्	āgrahāyaṇī [word]आग्रहायणी [wओर्द्]	āgrahāyaṇआग्रहायण् + plus ībhy&ईभ्य्&

2. ṭhañठञ्

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṭट्	ṭhañठञ्	ṭhañठञ्	ṭhañठञ्	ṭhañठञ्

3. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. tatraतत्र 4·3·25

   Part	Lexeme	Sandhi form	Meaning	Stem
   tत्	tatraतत्र	tatraतत्र	there	tatraतत्र

2. kālātकालात् 4·3·43

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kālaकाल	kālātकालात्	time	kālकाल् + plus ātआत्

3. ṛṇeऋणे 4·3·47

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ṛऋ	ṛṇaऋण	ṛṇeऋणे	debt	ṛṇऋण् + plus eए

4. vuñवुञ् 4·3·49

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vuñवुञ्	vuñवुञ्	vuñवुञ्	vuñवुञ्