Declension table of ?tumbamāna

Neuter	Singular	Dual	Plural
Nominative	tumbamānam	tumbamāne	tumbamānāni
Vocative	tumbamāna	tumbamāne	tumbamānāni
Accusative	tumbamānam	tumbamāne	tumbamānāni
Instrumental	tumbamānena	tumbamānābhyām	tumbamānaiḥ
Dative	tumbamānāya	tumbamānābhyām	tumbamānebhyaḥ
Ablative	tumbamānāt	tumbamānābhyām	tumbamānebhyaḥ
Genitive	tumbamānasya	tumbamānayoḥ	tumbamānānām
Locative	tumbamāne	tumbamānayoḥ	tumbamāneṣu

Compound tumbamāna -

Adverb -tumbamānam -tumbamānāt