Declension table of ?tumbara

Masculine	Singular	Dual	Plural
Nominative	tumbaraḥ	tumbarau	tumbarāḥ
Vocative	tumbara	tumbarau	tumbarāḥ
Accusative	tumbaram	tumbarau	tumbarān
Instrumental	tumbareṇa	tumbarābhyām	tumbaraiḥ tumbarebhiḥ
Dative	tumbarāya	tumbarābhyām	tumbarebhyaḥ
Ablative	tumbarāt	tumbarābhyām	tumbarebhyaḥ
Genitive	tumbarasya	tumbarayoḥ	tumbarāṇām
Locative	tumbare	tumbarayoḥ	tumbareṣu

Compound tumbara -

Adverb -tumbaram -tumbarāt