Declension table of ?niveśavat

Masculine	Singular	Dual	Plural
Nominative	niveśavān	niveśavantau	niveśavantaḥ
Vocative	niveśavan	niveśavantau	niveśavantaḥ
Accusative	niveśavantam	niveśavantau	niveśavataḥ
Instrumental	niveśavatā	niveśavadbhyām	niveśavadbhiḥ
Dative	niveśavate	niveśavadbhyām	niveśavadbhyaḥ
Ablative	niveśavataḥ	niveśavadbhyām	niveśavadbhyaḥ
Genitive	niveśavataḥ	niveśavatoḥ	niveśavatām
Locative	niveśavati	niveśavatoḥ	niveśavatsu

Compound niveśavat -

Adverb -niveśavantam