Pāṇini sūtras

The word viṣṭara is irregularly formed in the sense of “tree” and “seat.”

German viṣṭara in den Bedeutungen “Baum” und “Sitz”. (93)

1. vṛkṣa+āsanayoḥवृक्ष+आसनयोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vṛkṣaवृक्ष	vṛkṣaवृक्ष	tree	vṛkṣवृक्ष् + plus aअ
   āआ	āsanaआसन	āsanayoḥआसनयोः	seat	āsanआसन् + plus ayoḥअयोः

2. viṣṭaraḥविष्टरः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	viṣṭaraविष्टर	viṣṭaraḥविष्टरः	viṣṭara [word]विष्टर [wओर्द्]	viṣṭarविष्टर् + plus aḥअः

Anuvṛtti

1. a+pada+antasyaअ+पद+अन्तस्य 8·3·55

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   pप्	padaपद	padaपद	word	padपद् + plus aअ
   aअ	antaअन्त	antasyaअन्तस्य	last syllable	antअन्त् + plus asyaअस्य

2. i+ṇ+koḥइ+ण्+कोः 8·3·57

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   iइ	iइ	iइ	ikāraइकार	iइ
   ṇण्	ṇण्	ṇण्	NaNअ	ṇण्
   kक्	kuकु	koḥकोः	guttural	kक् + plus oḥओः

3. saḥसः 8·3·56

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	sस्	saḥसः	sakāraसकार	sस् + plus aḥअः