Declension table of ?pupurvvas

Masculine	Singular	Dual	Plural
Nominative	pupurvvān	pupurvvāṃsau	pupurvvāṃsaḥ
Vocative	pupurvvan	pupurvvāṃsau	pupurvvāṃsaḥ
Accusative	pupurvvāṃsam	pupurvvāṃsau	pupurvuṣaḥ
Instrumental	pupurvuṣā	pupurvvadbhyām	pupurvvadbhiḥ
Dative	pupurvuṣe	pupurvvadbhyām	pupurvvadbhyaḥ
Ablative	pupurvuṣaḥ	pupurvvadbhyām	pupurvvadbhyaḥ
Genitive	pupurvuṣaḥ	pupurvuṣoḥ	pupurvuṣām
Locative	pupurvuṣi	pupurvuṣoḥ	pupurvvatsu

Compound pupurvvat -

Adverb -pupurvvas