Pāṇini sūtras

The affix ṭhak comes in the sense of ‘this is his object of veneration’, after the word mahārāja

1. mahārājātमहाराजात्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   mम्	mahārājaमहाराज	mahārājātमहाराजात्	mahārāja [word]महाराज [wओर्द्]	mahārājमहाराज् + plus ātआत्

2. ṭhañठञ्

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṭट्	ṭhañठञ्	ṭhañठञ्	ṭhañठञ्	ṭhañठञ्

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