Declension table of ?apūrvin

Neuter	Singular	Dual	Plural
Nominative	apūrvi	apūrviṇī	apūrvīṇi
Vocative	apūrvin apūrvi	apūrviṇī	apūrvīṇi
Accusative	apūrvi	apūrviṇī	apūrvīṇi
Instrumental	apūrviṇā	apūrvibhyām	apūrvibhiḥ
Dative	apūrviṇe	apūrvibhyām	apūrvibhyaḥ
Ablative	apūrviṇaḥ	apūrvibhyām	apūrvibhyaḥ
Genitive	apūrviṇaḥ	apūrviṇoḥ	apūrviṇām
Locative	apūrviṇi	apūrviṇoḥ	apūrviṣu

Compound apūrvi -

Adverb -apūrvi