Declension table of ?cumbya

Neuter	Singular	Dual	Plural
Nominative	cumbyam	cumbye	cumbyāni
Vocative	cumbya	cumbye	cumbyāni
Accusative	cumbyam	cumbye	cumbyāni
Instrumental	cumbyena	cumbyābhyām	cumbyaiḥ
Dative	cumbyāya	cumbyābhyām	cumbyebhyaḥ
Ablative	cumbyāt	cumbyābhyām	cumbyebhyaḥ
Genitive	cumbyasya	cumbyayoḥ	cumbyānām
Locative	cumbye	cumbyayoḥ	cumbyeṣu

Compound cumbya -

Adverb -cumbyam -cumbyāt