Declension table of ?tuvidyumna

Neuter	Singular	Dual	Plural
Nominative	tuvidyumnam	tuvidyumne	tuvidyumnāni
Vocative	tuvidyumna	tuvidyumne	tuvidyumnāni
Accusative	tuvidyumnam	tuvidyumne	tuvidyumnāni
Instrumental	tuvidyumnena	tuvidyumnābhyām	tuvidyumnaiḥ
Dative	tuvidyumnāya	tuvidyumnābhyām	tuvidyumnebhyaḥ
Ablative	tuvidyumnāt	tuvidyumnābhyām	tuvidyumnebhyaḥ
Genitive	tuvidyumnasya	tuvidyumnayoḥ	tuvidyumnānām
Locative	tuvidyumne	tuvidyumnayoḥ	tuvidyumneṣu

Compound tuvidyumna -

Adverb -tuvidyumnam -tuvidyumnāt