Declension table of ?dyumnavat

Masculine	Singular	Dual	Plural
Nominative	dyumnavān	dyumnavantau	dyumnavantaḥ
Vocative	dyumnavan	dyumnavantau	dyumnavantaḥ
Accusative	dyumnavantam	dyumnavantau	dyumnavataḥ
Instrumental	dyumnavatā	dyumnavadbhyām	dyumnavadbhiḥ
Dative	dyumnavate	dyumnavadbhyām	dyumnavadbhyaḥ
Ablative	dyumnavataḥ	dyumnavadbhyām	dyumnavadbhyaḥ
Genitive	dyumnavataḥ	dyumnavatoḥ	dyumnavatām
Locative	dyumnavati	dyumnavatoḥ	dyumnavatsu

Compound dyumnavat -

Adverb -dyumnavantam