Declension table of ?puruṣadvayasa

Neuter	Singular	Dual	Plural
Nominative	puruṣadvayasam	puruṣadvayase	puruṣadvayasāni
Vocative	puruṣadvayasa	puruṣadvayase	puruṣadvayasāni
Accusative	puruṣadvayasam	puruṣadvayase	puruṣadvayasāni
Instrumental	puruṣadvayasena	puruṣadvayasābhyām	puruṣadvayasaiḥ
Dative	puruṣadvayasāya	puruṣadvayasābhyām	puruṣadvayasebhyaḥ
Ablative	puruṣadvayasāt	puruṣadvayasābhyām	puruṣadvayasebhyaḥ
Genitive	puruṣadvayasasya	puruṣadvayasayoḥ	puruṣadvayasānām
Locative	puruṣadvayase	puruṣadvayasayoḥ	puruṣadvayaseṣu

Compound puruṣadvayasa -

Adverb -puruṣadvayasam -puruṣadvayasāt