Pāṇini sūtras

When the tense-affixes of the Perfect follow, there is reduplication of the root, which is not already reduplicated.

German Die 6, 1, 1. 2 gelehrte Reduplication findet vor den Personalendungen des Perfects bei einer Wurzel statt, wenn diese nicht schon reduplicirt ist. (8)

1. liṭiलिटि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	liṭलिट्	liṭiलिटि	perfect ending	liṭलिट् + plus iइ

2. dhātoḥधातोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	dhātuधातु	dhātoḥधातोः	Sanskrit verbal root	dhātधात् + plus oḥओः

3. an+abhyāsasyaअन्+अभ्यासस्य

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	naन	anअन्	not	naन
   aअ	abhyāsaअभ्यास	abhyāsasyaअभ्यासस्य	abhyāsaअभ्यास	abhyāsअभ्यास् + plus asyaअस्य

Anuvṛtti

1. prathamasyaप्रथमस्य 6·1·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	prathamaप्रथम	prathamasyaप्रथमस्य	first	prathamप्रथम् + plus asyaअस्य

2. dvitīyasyaद्वितीयस्य 6·1·2

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	dvitīyaद्वितीय	dvitīyasyaद्वितीयस्य	second	dvitīyद्वितीय् + plus asyaअस्य