Pāṇini sūtras

The affix ṣṭhan comes in the senses of ‘occurring therein’ and ‘a commentary thereon’, after the words ‘paurodâṣa’ and ‘puroḍaṣa’.

1. pauroḍāśa+puroḍāśātपौरोडाश+पुरोडाशात्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pauroḍā&#पौरोडा&#	pauroḍāśaपौरोडाश	pauroḍāśa [word]पौरोडाश [wओर्द्]	pauroḍāśपौरोडाश् + plus aअ
   pप्	puroḍāपुरोडा	puroḍāśātपुरोडाशात्	puroḍāśa [word]पुरोडाश [wओर्द्]	puroḍāśपुरोडाश् + plus ātआत्

2. ṣṭhanष्ठन्

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṣष्	ṣṭhanष्ठन्	ṣṭhanष्ठन्	ṣṭhanष्ठन्	ṣṭhanष्ठन्

Anuvṛtti

1. bhavaḥभवः 4·3·53

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhavaभव	bhavaḥभवः	being	bhavभव् + plus aḥअः

2. vyākhyātavya+nāmnaḥव्याख्यातव्य+नाम्नः 4·3·66

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vyākhyāव्याख्या	vyākhyātavyaव्याख्यातव्य	explain	vyākhyātavyव्याख्यातव्य् + plus aअ
   nन्	nāmanनामन्	nāmnaḥनाम्नः	name	nāmनाम् + plus naḥनः