Pāṇini sūtras

The affix ‘tumun’ comes after a verb having in composition with it, ‘alam’ and its synonyms, when these words express ‘to be capable of something’.

1. paryāpti+vacaneṣuपर्याप्ति+वचनेषु

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	paryāptiपर्याप्ति	paryāptiपर्याप्ति	competence	paryāptपर्याप्त् + plus iइ
   vव्	vacanaवचन	vacaneṣuवचनेषु	statement	vacanवचन् + plus eṣuएषु

2. alam+artheṣuअलम्+अर्थेषु

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	alamअलम्	alamअलम्	alam [word]	alamअलम्
   aअ	arthaअर्थ	artheṣuअर्थेषु	sense	arthअर्थ् + plus eṣuएषु

Anuvṛtti

1. tumunतुमुन् 3·4·65

   Part	Lexeme	Sandhi form	Meaning	Stem
   tत्	tumunतुमुन्	tumunतुमुन्	tumunतुमुन्	tumunतुमुन्