Declension table of ?kumbya

Neuter	Singular	Dual	Plural
Nominative	kumbyam	kumbye	kumbyāni
Vocative	kumbya	kumbye	kumbyāni
Accusative	kumbyam	kumbye	kumbyāni
Instrumental	kumbyena	kumbyābhyām	kumbyaiḥ
Dative	kumbyāya	kumbyābhyām	kumbyebhyaḥ
Ablative	kumbyāt	kumbyābhyām	kumbyebhyaḥ
Genitive	kumbyasya	kumbyayoḥ	kumbyānām
Locative	kumbye	kumbyayoḥ	kumbyeṣu

Compound kumbya -

Adverb -kumbyam -kumbyāt