Pāṇini sūtras

The last vowel, with the consonant that follows it, is dropped in pathin, mathin and ṛbhukshin, before a weak case-ending beginning with a vowel (before which the stem is called Bha I.4.18).

1. bhasyaभस्य

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhaभ	bhasyaभस्य	bhaभ	bhभ् + plus asyaअस्य

2. ṭeḥटेः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ṭट्	ṭiटि	ṭeḥटेः	ṭiटि	ṭट् + plus eḥएः

3. lopaḥलोपः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	lopaलोप	lopaḥलोपः	elision	lopलोप् + plus aḥअः

Anuvṛtti

1. pathi+mathi+ṛbhukṣāmपथि+मथि+ऋभुक्षाम् 7·1·85

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pathiपथि	pathiपथि	path [word]	pathपथ् + plus iइ
   mम्	mathiमथि	mathiमथि	mathi [word]	mathमथ् + plus iइ
   ṛऋ	ṛbhukṣऋभुक्ष्	ṛbhukṣāmऋभुक्षाम्	ṛbhukṣ [word]ऋभुक्ष् [wओर्द्]	ṛbhukṣऋभुक्ष् + plus āmआम्

2. sarvanāmasthāneसर्वनामस्थाने 7·1·86

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	sarvanāmasthसर्वनामस्थ्	sarvanāmasthāneसर्वनामस्थाने	sarvanāmasthānaसर्वनामस्थान	sarvanāmasthānसर्वनामस्थान् + plus eए