Declension table of ?prasthāvan

Masculine	Singular	Dual	Plural
Nominative	prasthāvā	prasthāvānau	prasthāvānaḥ
Vocative	prasthāvan	prasthāvānau	prasthāvānaḥ
Accusative	prasthāvānam	prasthāvānau	prasthāvnaḥ
Instrumental	prasthāvnā	prasthāvabhyām	prasthāvabhiḥ
Dative	prasthāvne	prasthāvabhyām	prasthāvabhyaḥ
Ablative	prasthāvnaḥ	prasthāvabhyām	prasthāvabhyaḥ
Genitive	prasthāvnaḥ	prasthāvnoḥ	prasthāvnām
Locative	prasthāvni prasthāvani	prasthāvnoḥ	prasthāvasu

Compound prasthāva -

Adverb -prasthāvam