Pāṇini sūtras

The affix vun comes in the sense of ‘debt then due’, after the words kalāpin, aśvattha, and yavabusam denoting time and being in the 7th case in construction.

1. kalāpi+aśvattha+yavabusātकलापि+अश्वत्थ+यवबुसात्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kalāpinकलापिन्	kalāpiकलापि	kalāpin [word]कलापिन् [wओर्द्]	kalāpकलाप् + plus iइ
   aअ	aśvatthaअश्वत्थ	aśvatthaअश्वत्थ	aśvattha [word]अश्वत्थ [wओर्द्]	aśvatthअश्वत्थ् + plus aअ
   yय्	yavabusaयवबुस	yavabusātयवबुसात्	yavabusa [word]	yavabusयवबुस् + plus ātआत्

2. vunवुन्

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vunवुन्	vunवुन्	vunवुन्	vunवुन्

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