Pāṇini sūtras

The affix ṭhan (_/_—ika) comes also after the word shaṇmâsa, when ‘age’ is not meant.

1. a+vayasiअ+वयसि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   vव्	vayasवयस्	vayasiवयसि	age	vayवय् + plus asiअसि

2. ṭhanठन्

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṭट्	ṭhanठन्	ṭhanठन्	ṭhanठन्	ṭhanठन्

3. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. ṭhañठञ् 5·1·18

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṭट्	ṭhañठञ्	ṭhañठञ्	ṭhañठञ्	ṭhañठञ्

2. kālātकालात् 5·1·78

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

3. bhāvīभावी 5·1·80

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhāvinभाविन्	bhāvīभावी	future(a)	bhāvभाव् + plus īई

4. ṇyatण्यत् 5·1·83

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṇण्	ṇyatण्यत्	ṇyatण्यत्	ṇyatण्यत्	ṇyatण्यत्