Declension table of ?puruvaśa

Masculine	Singular	Dual	Plural
Nominative	puruvaśaḥ	puruvaśau	puruvaśāḥ
Vocative	puruvaśa	puruvaśau	puruvaśāḥ
Accusative	puruvaśam	puruvaśau	puruvaśān
Instrumental	puruvaśena	puruvaśābhyām	puruvaśaiḥ puruvaśebhiḥ
Dative	puruvaśāya	puruvaśābhyām	puruvaśebhyaḥ
Ablative	puruvaśāt	puruvaśābhyām	puruvaśebhyaḥ
Genitive	puruvaśasya	puruvaśayoḥ	puruvaśānām
Locative	puruvaśe	puruvaśayoḥ	puruvaśeṣu

Compound puruvaśa -

Adverb -puruvaśam -puruvaśāt