Declension table of ?puruṣadvayasa

Masculine	Singular	Dual	Plural
Nominative	puruṣadvayasaḥ	puruṣadvayasau	puruṣadvayasāḥ
Vocative	puruṣadvayasa	puruṣadvayasau	puruṣadvayasāḥ
Accusative	puruṣadvayasam	puruṣadvayasau	puruṣadvayasān
Instrumental	puruṣadvayasena	puruṣadvayasābhyām	puruṣadvayasaiḥ puruṣadvayasebhiḥ
Dative	puruṣadvayasāya	puruṣadvayasābhyām	puruṣadvayasebhyaḥ
Ablative	puruṣadvayasāt	puruṣadvayasābhyām	puruṣadvayasebhyaḥ
Genitive	puruṣadvayasasya	puruṣadvayasayoḥ	puruṣadvayasānām
Locative	puruṣadvayase	puruṣadvayasayoḥ	puruṣadvayaseṣu

Compound puruṣadvayasa -

Adverb -puruṣadvayasam -puruṣadvayasāt