Declension table of ?daśāvat

Masculine	Singular	Dual	Plural
Nominative	daśāvān	daśāvantau	daśāvantaḥ
Vocative	daśāvan	daśāvantau	daśāvantaḥ
Accusative	daśāvantam	daśāvantau	daśāvataḥ
Instrumental	daśāvatā	daśāvadbhyām	daśāvadbhiḥ
Dative	daśāvate	daśāvadbhyām	daśāvadbhyaḥ
Ablative	daśāvataḥ	daśāvadbhyām	daśāvadbhyaḥ
Genitive	daśāvataḥ	daśāvatoḥ	daśāvatām
Locative	daśāvati	daśāvatoḥ	daśāvatsu

Compound daśāvat -

Adverb -daśāvantam