Declension table of ?pūrvasārin

Masculine	Singular	Dual	Plural
Nominative	pūrvasārī	pūrvasāriṇau	pūrvasāriṇaḥ
Vocative	pūrvasārin	pūrvasāriṇau	pūrvasāriṇaḥ
Accusative	pūrvasāriṇam	pūrvasāriṇau	pūrvasāriṇaḥ
Instrumental	pūrvasāriṇā	pūrvasāribhyām	pūrvasāribhiḥ
Dative	pūrvasāriṇe	pūrvasāribhyām	pūrvasāribhyaḥ
Ablative	pūrvasāriṇaḥ	pūrvasāribhyām	pūrvasāribhyaḥ
Genitive	pūrvasāriṇaḥ	pūrvasāriṇoḥ	pūrvasāriṇām
Locative	pūrvasāriṇi	pūrvasāriṇoḥ	pūrvasāriṣu

Compound pūrvasāri -

Adverb -pūrvasāri