Pāṇini sūtras

The verb which is Atmanepadi in its primitive form before the taking of the affix san, will also be Atmanepadi when it ends in the affix san. In other words; after a desiderative verb, Atmanepada is employed, if it would have been used after the primitive verb.

German Beim Desiderativ richtet sich Ātmanepada nach dem Simplex. (62)

1. pūrvavatपूर्ववत्

   Part	Lexeme	Sandhi form	Meaning	Stem
   pप्	pūrvavatपूर्ववत्	pūrvavatपूर्ववत्	as before	pūrvavatपूर्ववत्

2. sanaḥसनः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	sanसन्	sanaḥसनः	desiderative ending	sanसन् + plus aḥअः

Anuvṛtti

1. ātmanepadamआत्मनेपदम् 1·3·12

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	ātmanepadaआत्मनेपद	ātmanepadamआत्मनेपदम्	medium voice	ātmanepadआत्मनेपद् + plus amअम्