Declension table of ?dyumni

Masculine	Singular	Dual	Plural
Nominative	dyumniḥ	dyumnī	dyumnayaḥ
Vocative	dyumne	dyumnī	dyumnayaḥ
Accusative	dyumnim	dyumnī	dyumnīn
Instrumental	dyumninā	dyumnibhyām	dyumnibhiḥ
Dative	dyumnaye	dyumnibhyām	dyumnibhyaḥ
Ablative	dyumneḥ	dyumnibhyām	dyumnibhyaḥ
Genitive	dyumneḥ	dyumnyoḥ	dyumnīnām
Locative	dyumnau	dyumnyoḥ	dyumniṣu

Compound dyumni -

Adverb -dyumni