Declension table of ?tumpyamāna

Neuter	Singular	Dual	Plural
Nominative	tumpyamānam	tumpyamāne	tumpyamānāni
Vocative	tumpyamāna	tumpyamāne	tumpyamānāni
Accusative	tumpyamānam	tumpyamāne	tumpyamānāni
Instrumental	tumpyamānena	tumpyamānābhyām	tumpyamānaiḥ
Dative	tumpyamānāya	tumpyamānābhyām	tumpyamānebhyaḥ
Ablative	tumpyamānāt	tumpyamānābhyām	tumpyamānebhyaḥ
Genitive	tumpyamānasya	tumpyamānayoḥ	tumpyamānānām
Locative	tumpyamāne	tumpyamānayoḥ	tumpyamāneṣu

Compound tumpyamāna -

Adverb -tumpyamānam -tumpyamānāt