Pāṇini sūtras

After a word ending with the Gotra affix ṇya (IV.1.151 and after a Gotra word denoting the descendant of a Kshatriya or a Rishi (seer), and after a word ending with a Gotra affix having an indicatory ñ, the affix aṇ and iñ employed in forming yuvan (IV.1.163) descendants, are elided by the substitution of luk

1. ṇya+kṣatriya+ārṣa+ñ+itaḥण्य+क्षत्रिय+आर्ष+ञ्+इतः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ṇण्	ṇyaण्य	ṇyaण्य	ṇyaण्य	ṇyण्य् + plus aअ
   kक्	kṣatriyaक्षत्रिय	kṣatriyaक्षत्रिय	Kshatriya	kṣatriyक्षत्रिय् + plus aअ
   āआ	ārṣaआर्ष	ārṣaआर्ष	Vedic	ārṣआर्ष् + plus aअ
   ñञ्	ñञ्	ñञ्	ñakāraञकार	ñञ्
   iइ	itइत्	itaḥइतः	itइत्	itइत् + plus aḥअः

2. yūniयूनि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   yय्	yuvanयुवन्	yūniयूनि	young person	yuvयुव् + plus iइ

3. lukलुक्

   Part	Lexeme	Sandhi form	Meaning	Stem
   lल्	lukलुक्	lukलुक्	suffix elision	lukलुक्

4. aṇ+iñoḥअण्+इञोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aṇअण्	aṇअण्	aṇअण्	aṇअण्
   iइ	iñइञ्	iñoḥइञोः	iñइञ्	iñइञ् + plus oḥओः