Declension table of ?dadānvas

Masculine	Singular	Dual	Plural
Nominative	dadānvān	dadānvāṃsau	dadānvāṃsaḥ
Vocative	dadānvan	dadānvāṃsau	dadānvāṃsaḥ
Accusative	dadānvāṃsam	dadānvāṃsau	dadānuṣaḥ
Instrumental	dadānuṣā	dadānvadbhyām	dadānvadbhiḥ
Dative	dadānuṣe	dadānvadbhyām	dadānvadbhyaḥ
Ablative	dadānuṣaḥ	dadānvadbhyām	dadānvadbhyaḥ
Genitive	dadānuṣaḥ	dadānuṣoḥ	dadānuṣām
Locative	dadānuṣi	dadānuṣoḥ	dadānvatsu

Compound dadānvat -

Adverb -dadānvas