Pāṇini sūtras

For the penultimate o of the guṇated stem goh (from guh), there is substituted ū before an affix beginning with a vowel.

German In guh wird vor einem vocalisch anlautenden Suffix ū für das erwartete o substituirt. (89)

1. ū+tऊ+त्

   Part	Lexeme	Sandhi form	Meaning	Stem
   ūऊ	ūऊ	ūऊ	ūkāraऊकार	ūऊ
   tत्	tत्	tत्	TT	tत्

2. upadhāyāḥउपधायाः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	upadhāउपधा	upadhāyāḥउपधायाः	penult	upadhउपध् + plus āyआय्

3. gohaḥगोहः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   gग्	gohगोह्	gohaḥगोहः	guh	gohगोह् + plus aḥअः

Anuvṛtti

1. bhātभात् 6·4·22

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhaभ	bhātभात्	bhaभ	bhभ् + plus ātआत्

2. a+ciअ+चि 6·4·77

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ		aअ
   cच्	cच्	ciचि	CC	cच् + plus iइ