Declension table of ?dvyardha

Neuter	Singular	Dual	Plural
Nominative	dvyardham	dvyardhe	dvyardhāni
Vocative	dvyardha	dvyardhe	dvyardhāni
Accusative	dvyardham	dvyardhe	dvyardhāni
Instrumental	dvyardhena	dvyardhābhyām	dvyardhaiḥ
Dative	dvyardhāya	dvyardhābhyām	dvyardhebhyaḥ
Ablative	dvyardhāt	dvyardhābhyām	dvyardhebhyaḥ
Genitive	dvyardhasya	dvyardhayoḥ	dvyardhānām
Locative	dvyardhe	dvyardhayoḥ	dvyardheṣu

Compound dvyardha -

Adverb -dvyardham -dvyardhāt