Declension table of ?purviṣyat

Masculine	Singular	Dual	Plural
Nominative	purviṣyan	purviṣyantau	purviṣyantaḥ
Vocative	purviṣyan	purviṣyantau	purviṣyantaḥ
Accusative	purviṣyantam	purviṣyantau	purviṣyataḥ
Instrumental	purviṣyatā	purviṣyadbhyām	purviṣyadbhiḥ
Dative	purviṣyate	purviṣyadbhyām	purviṣyadbhyaḥ
Ablative	purviṣyataḥ	purviṣyadbhyām	purviṣyadbhyaḥ
Genitive	purviṣyataḥ	purviṣyatoḥ	purviṣyatām
Locative	purviṣyati	purviṣyatoḥ	purviṣyatsu

Compound purviṣyat -

Adverb -purviṣyantam