Pāṇini sūtras

Any mark or attribute, by which is indicated the existence of a particular state or condition, is put in the third case to express this relation.

1. ittham+bhūta+lakṣaṇeइत्थम्+भूत+लक्षणे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   iइ	itthamइत्थम्	itthamइत्थम्	thus	itthamइत्थम्
   bब्	bhūभू	bhūtaभूत	become	bhūtभूत् + plus aअ
   lल्	lakṣaṇaलक्षण	lakṣaṇeलक्षणे	property	lakṣaṇलक्षण् + plus eए

Anuvṛtti

1. a+abhinihiteअ+अभिनिहिते 2·3·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	naन	aअ	not	naन
   aअ	abhidhāअभिधा	abhinihiteअभिनिहिते	express	abhihitअभिहित् + plus iteइते

2. tṛtīyāतृतीया 2·3·18

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   tत्	tṛtīyतृतीय्	tṛtīyāतृतीया	instrumental	tṛtīyतृतीय् + plus āआ