Pāṇini sūtras

The affix ñya (±/—ya) comes after atithi in the fourth case in construction, in the sense of “for the purpose of that”.

1. atitheḥअतिथेः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	atithiअतिथि	atitheḥअतिथेः	atithi [word]	atithअतिथ् + plus eḥएः

2. ñyaḥञ्यः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ñञ्	ñyaञ्य	ñyaḥञ्यः	ñyaञ्य	ñyञ्य् + plus aḥअः

Anuvṛtti

1. tādarthyeतादर्थ्ये 5·4·24

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   tत्	tādarthyaतादर्थ्य	tādarthyeतादर्थ्ये	purpose	tādarthyतादर्थ्य् + plus eए