Declension table of pūrvasūtra

Neuter	Singular	Dual	Plural
Nominative	pūrvasūtram	pūrvasūtre	pūrvasūtrāṇi
Vocative	pūrvasūtra	pūrvasūtre	pūrvasūtrāṇi
Accusative	pūrvasūtram	pūrvasūtre	pūrvasūtrāṇi
Instrumental	pūrvasūtreṇa	pūrvasūtrābhyām	pūrvasūtraiḥ
Dative	pūrvasūtrāya	pūrvasūtrābhyām	pūrvasūtrebhyaḥ
Ablative	pūrvasūtrāt	pūrvasūtrābhyām	pūrvasūtrebhyaḥ
Genitive	pūrvasūtrasya	pūrvasūtrayoḥ	pūrvasūtrāṇām
Locative	pūrvasūtre	pūrvasūtrayoḥ	pūrvasūtreṣu

Compound pūrvasūtra -

Adverb -pūrvasūtram -pūrvasūtrāt