Declension table of ?pūrvasūri

Masculine	Singular	Dual	Plural
Nominative	pūrvasūriḥ	pūrvasūrī	pūrvasūrayaḥ
Vocative	pūrvasūre	pūrvasūrī	pūrvasūrayaḥ
Accusative	pūrvasūrim	pūrvasūrī	pūrvasūrīn
Instrumental	pūrvasūriṇā	pūrvasūribhyām	pūrvasūribhiḥ
Dative	pūrvasūraye	pūrvasūribhyām	pūrvasūribhyaḥ
Ablative	pūrvasūreḥ	pūrvasūribhyām	pūrvasūribhyaḥ
Genitive	pūrvasūreḥ	pūrvasūryoḥ	pūrvasūrīṇām
Locative	pūrvasūrau	pūrvasūryoḥ	pūrvasūriṣu

Compound pūrvasūri -

Adverb -pūrvasūri