Declension table of ?kausumbha

Masculine	Singular	Dual	Plural
Nominative	kausumbhaḥ	kausumbhau	kausumbhāḥ
Vocative	kausumbha	kausumbhau	kausumbhāḥ
Accusative	kausumbham	kausumbhau	kausumbhān
Instrumental	kausumbhena	kausumbhābhyām	kausumbhaiḥ kausumbhebhiḥ
Dative	kausumbhāya	kausumbhābhyām	kausumbhebhyaḥ
Ablative	kausumbhāt	kausumbhābhyām	kausumbhebhyaḥ
Genitive	kausumbhasya	kausumbhayoḥ	kausumbhānām
Locative	kausumbhe	kausumbhayoḥ	kausumbheṣu

Compound kausumbha -

Adverb -kausumbham -kausumbhāt