Pāṇini sūtras

The affix vun comes in the sense of ‘this is his object of veneration,’ after the words ‘Vâsudeva’ and Aijuna.

1. vāsudeva+arjunābhyāmवासुदेव+अर्जुनाभ्याम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vāsudevaवासुदेव	vāsudevaवासुदेव	vāsudeva [word]वासुदेव [wओर्द्]	vāsudevवासुदेव् + plus aअ
   aअ	arjunaअर्जुन	arjunābhyāmअर्जुनाभ्याम्	arjuna [word]	arjunअर्जुन् + plus ābhy&आभ्य्&

2. vunवुन्

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vunवुन्	vunवुन्	vunवुन्	vunवुन्

Anuvṛtti

1. asyaअस्य 4·3·89

   Part	Lexeme	Sandhi form	Meaning	Stem
   aअ	idamइदम्	asyaअस्य	this	idamइदम्

2. bhaktiḥभक्तिः 4·3·95

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhaktiभक्ति	bhaktiḥभक्तिः	devotion	bhaktभक्त् + plus iḥइः