Pāṇini sūtras

The affix aṇ comes, in the sense of a descendant, after a Nominal-stem denoting the name of a Rishi, or the name of a person of the family of Andhaka, Vrishni, and Kura.

1. ṛṣi+andhaka+vṛṣṇi+kurubhyaḥऋषि+अन्धक+वृष्णि+कुरुभ्यः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ṛऋ	ṛṣiऋषि	ṛṣiऋषि	ṚṣiṚषि	ṛṣऋष् + plus iइ
   aअ	andhakaअन्धक	andhakaअन्धक	Andhaka	andhakअन्धक् + plus aअ
   vव्	vṛṩवृष्̇	vṛṣṇiवृष्णि	VṛṣṇiVऋष्णि	vṛṣṇवृष्ण् + plus iइ
   kक्	kuruकुरु	kurubhyaḥकुरुभ्यः	Kuru	kurकुर् + plus ubhyãउभ्य̃

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. apatyamअपत्यम् 4·1·92

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	apatyaअपत्य	apatyamअपत्यम्	child	apatyअपत्य् + plus amअम्

2. aṇअण् 4·1·112

   Part	Lexeme	Sandhi form	Meaning	Stem
   aअ	aṇअण्	aṇअण्	aṇअण्	aṇअण्