Declension table of ?duradabhna

Neuter	Singular	Dual	Plural
Nominative	duradabhnam	duradabhne	duradabhnāni
Vocative	duradabhna	duradabhne	duradabhnāni
Accusative	duradabhnam	duradabhne	duradabhnāni
Instrumental	duradabhnena	duradabhnābhyām	duradabhnaiḥ
Dative	duradabhnāya	duradabhnābhyām	duradabhnebhyaḥ
Ablative	duradabhnāt	duradabhnābhyām	duradabhnebhyaḥ
Genitive	duradabhnasya	duradabhnayoḥ	duradabhnānām
Locative	duradabhne	duradabhnayoḥ	duradabhneṣu

Compound duradabhna -

Adverb -duradabhnam -duradabhnāt