Declension table of ?mahadāyudha

Neuter	Singular	Dual	Plural
Nominative	mahadāyudham	mahadāyudhe	mahadāyudhāni
Vocative	mahadāyudha	mahadāyudhe	mahadāyudhāni
Accusative	mahadāyudham	mahadāyudhe	mahadāyudhāni
Instrumental	mahadāyudhena	mahadāyudhābhyām	mahadāyudhaiḥ
Dative	mahadāyudhāya	mahadāyudhābhyām	mahadāyudhebhyaḥ
Ablative	mahadāyudhāt	mahadāyudhābhyām	mahadāyudhebhyaḥ
Genitive	mahadāyudhasya	mahadāyudhayoḥ	mahadāyudhānām
Locative	mahadāyudhe	mahadāyudhayoḥ	mahadāyudheṣu

Compound mahadāyudha -

Adverb -mahadāyudham -mahadāyudhāt