Declension table of ?purīṣavat

Masculine	Singular	Dual	Plural
Nominative	purīṣavān	purīṣavantau	purīṣavantaḥ
Vocative	purīṣavan	purīṣavantau	purīṣavantaḥ
Accusative	purīṣavantam	purīṣavantau	purīṣavataḥ
Instrumental	purīṣavatā	purīṣavadbhyām	purīṣavadbhiḥ
Dative	purīṣavate	purīṣavadbhyām	purīṣavadbhyaḥ
Ablative	purīṣavataḥ	purīṣavadbhyām	purīṣavadbhyaḥ
Genitive	purīṣavataḥ	purīṣavatoḥ	purīṣavatām
Locative	purīṣavati	purīṣavatoḥ	purīṣavatsu

Compound purīṣavat -

Adverb -purīṣavantam