Declension table of ?hastidvayasa

Masculine	Singular	Dual	Plural
Nominative	hastidvayasaḥ	hastidvayasau	hastidvayasāḥ
Vocative	hastidvayasa	hastidvayasau	hastidvayasāḥ
Accusative	hastidvayasam	hastidvayasau	hastidvayasān
Instrumental	hastidvayasena	hastidvayasābhyām	hastidvayasaiḥ hastidvayasebhiḥ
Dative	hastidvayasāya	hastidvayasābhyām	hastidvayasebhyaḥ
Ablative	hastidvayasāt	hastidvayasābhyām	hastidvayasebhyaḥ
Genitive	hastidvayasasya	hastidvayasayoḥ	hastidvayasānām
Locative	hastidvayase	hastidvayasayoḥ	hastidvayaseṣu

Compound hastidvayasa -

Adverb -hastidvayasam -hastidvayasāt