Declension table of ?dvigava

Neuter	Singular	Dual	Plural
Nominative	dvigavam	dvigave	dvigavāni
Vocative	dvigava	dvigave	dvigavāni
Accusative	dvigavam	dvigave	dvigavāni
Instrumental	dvigavena	dvigavābhyām	dvigavaiḥ
Dative	dvigavāya	dvigavābhyām	dvigavebhyaḥ
Ablative	dvigavāt	dvigavābhyām	dvigavebhyaḥ
Genitive	dvigavasya	dvigavayoḥ	dvigavānām
Locative	dvigave	dvigavayoḥ	dvigaveṣu

Compound dvigava -

Adverb -dvigavam -dvigavāt