Declension table of ?apūrvin

Masculine	Singular	Dual	Plural
Nominative	apūrvī	apūrviṇau	apūrviṇaḥ
Vocative	apūrvin	apūrviṇau	apūrviṇaḥ
Accusative	apūrviṇam	apūrviṇau	apūrviṇaḥ
Instrumental	apūrviṇā	apūrvibhyām	apūrvibhiḥ
Dative	apūrviṇe	apūrvibhyām	apūrvibhyaḥ
Ablative	apūrviṇaḥ	apūrvibhyām	apūrvibhyaḥ
Genitive	apūrviṇaḥ	apūrviṇoḥ	apūrviṇām
Locative	apūrviṇi	apūrviṇoḥ	apūrviṣu

Compound apūrvi -

Adverb -apūrvi