Declension table of ?sapūrva

Masculine	Singular	Dual	Plural
Nominative	sapūrvaḥ	sapūrvau	sapūrvāḥ
Vocative	sapūrva	sapūrvau	sapūrvāḥ
Accusative	sapūrvam	sapūrvau	sapūrvān
Instrumental	sapūrveṇa	sapūrvābhyām	sapūrvaiḥ sapūrvebhiḥ
Dative	sapūrvāya	sapūrvābhyām	sapūrvebhyaḥ
Ablative	sapūrvāt	sapūrvābhyām	sapūrvebhyaḥ
Genitive	sapūrvasya	sapūrvayoḥ	sapūrvāṇām
Locative	sapūrve	sapūrvayoḥ	sapūrveṣu

Compound sapūrva -

Adverb -sapūrvam -sapūrvāt