Declension table of ?purobhāvin

Masculine	Singular	Dual	Plural
Nominative	purobhāvī	purobhāviṇau	purobhāviṇaḥ
Vocative	purobhāvin	purobhāviṇau	purobhāviṇaḥ
Accusative	purobhāviṇam	purobhāviṇau	purobhāviṇaḥ
Instrumental	purobhāviṇā	purobhāvibhyām	purobhāvibhiḥ
Dative	purobhāviṇe	purobhāvibhyām	purobhāvibhyaḥ
Ablative	purobhāviṇaḥ	purobhāvibhyām	purobhāvibhyaḥ
Genitive	purobhāviṇaḥ	purobhāviṇoḥ	purobhāviṇām
Locative	purobhāviṇi	purobhāviṇoḥ	purobhāviṣu

Compound purobhāvi -

Adverb -purobhāvi