Declension table of ?tumbya

Masculine	Singular	Dual	Plural
Nominative	tumbyaḥ	tumbyau	tumbyāḥ
Vocative	tumbya	tumbyau	tumbyāḥ
Accusative	tumbyam	tumbyau	tumbyān
Instrumental	tumbyena	tumbyābhyām	tumbyaiḥ tumbyebhiḥ
Dative	tumbyāya	tumbyābhyām	tumbyebhyaḥ
Ablative	tumbyāt	tumbyābhyām	tumbyebhyaḥ
Genitive	tumbyasya	tumbyayoḥ	tumbyānām
Locative	tumbye	tumbyayoḥ	tumbyeṣu

Compound tumbya -

Adverb -tumbyam -tumbyāt