Pāṇini sūtras

The Locative ending is optionally retained after a word denoting time ending in a consonant or a when tarap or tamap, or the word kāla or the affix tana follows.

1. gha+kāla+taneṣuघ+काल+तनेषु

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   gग्	ghaघ	ghaघ	ghaघ	ghघ् + plus aअ
   kक्	kālaकाल	kālaकाल	kāla [word]काल [wओर्द्]	kālकाल् + plus aअ
   tत्	tanaतन	taneṣuतनेषु	tanaतन	tanतन् + plus eṣuएषु

2. kāla+nāmnaḥकाल+नाम्नः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kālaकाल	kālaकाल	time	kālकाल् + plus aअ
   nन्	nāmanनामन्	nāmnaḥनाम्नः	word	nāmनाम् + plus naḥनः

Anuvṛtti

1. uttara+padeउत्तर+पदे 6·3·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uttaraउत्तर	uttaraउत्तर	last	uttarउत्तर् + plus aअ
   pप्	padaपद	padeपदे	word	padपद् + plus eए

2. saptamyāḥसप्तम्याः 6·3·9

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saptamīसप्तमी	saptamyāḥसप्तम्याः	locative	saptamसप्तम् + plus yāया

3. vibhāṣāविभाषा 6·3·16

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vibhāṣविभाष्	vibhāṣāविभाषा	option	vibhāṣविभाष् + plus āआ