Declension table of apūrva

Neuter	Singular	Dual	Plural
Nominative	apūrvam	apūrve	apūrvāṇi
Vocative	apūrva	apūrve	apūrvāṇi
Accusative	apūrvam	apūrve	apūrvāṇi
Instrumental	apūrveṇa	apūrvābhyām	apūrvaiḥ
Dative	apūrvāya	apūrvābhyām	apūrvebhyaḥ
Ablative	apūrvāt	apūrvābhyām	apūrvebhyaḥ
Genitive	apūrvasya	apūrvayoḥ	apūrvāṇām
Locative	apūrve	apūrvayoḥ	apūrveṣu

Compound apūrva -

Adverb -apūrvam -apūrvāt