Declension table of ?vivindhvas

Neuter	Singular	Dual	Plural
Nominative	vivindhvat	vivindhvasī	vivindhvaṃsi
Vocative	vivindhvat	vivindhvasī	vivindhvaṃsi
Accusative	vivindhvat	vivindhvasī	vivindhvaṃsi
Instrumental	vivindhvasā	vivindhvadbhyām	vivindhvadbhiḥ
Dative	vivindhvase	vivindhvadbhyām	vivindhvadbhyaḥ
Ablative	vivindhvasaḥ	vivindhvadbhyām	vivindhvadbhyaḥ
Genitive	vivindhvasaḥ	vivindhvasoḥ	vivindhvasām
Locative	vivindhvasi	vivindhvasoḥ	vivindhvatsu

Compound vivindhvad -

Adverb -vivindhvad