Declension table of ?prasthāvan

Neuter	Singular	Dual	Plural
Nominative	prasthāva	prasthāvnī prasthāvanī	prasthāvāni
Vocative	prasthāvan prasthāva	prasthāvnī prasthāvanī	prasthāvāni
Accusative	prasthāva	prasthāvnī prasthāvanī	prasthāvāni
Instrumental	prasthāvnā	prasthāvabhyām	prasthāvabhiḥ
Dative	prasthāvne	prasthāvabhyām	prasthāvabhyaḥ
Ablative	prasthāvnaḥ	prasthāvabhyām	prasthāvabhyaḥ
Genitive	prasthāvnaḥ	prasthāvnoḥ	prasthāvnām
Locative	prasthāvni prasthāvani	prasthāvnoḥ	prasthāvasu

Compound prasthāva -

Adverb -prasthāva -prasthāvam