Declension table of ?dadāyvas

Neuter	Singular	Dual	Plural
Nominative	dadāyvat	dadāyuṣī	dadāyvāṃsi
Vocative	dadāyvat	dadāyuṣī	dadāyvāṃsi
Accusative	dadāyvat	dadāyuṣī	dadāyvāṃsi
Instrumental	dadāyuṣā	dadāyvadbhyām	dadāyvadbhiḥ
Dative	dadāyuṣe	dadāyvadbhyām	dadāyvadbhyaḥ
Ablative	dadāyuṣaḥ	dadāyvadbhyām	dadāyvadbhyaḥ
Genitive	dadāyuṣaḥ	dadāyuṣoḥ	dadāyuṣām
Locative	dadāyuṣi	dadāyuṣoḥ	dadāyvatsu

Compound dadāyvat -

Adverb -dadāyvat