Declension table of ?bṛhadvat

Masculine	Singular	Dual	Plural
Nominative	bṛhadvān	bṛhadvantau	bṛhadvantaḥ
Vocative	bṛhadvan	bṛhadvantau	bṛhadvantaḥ
Accusative	bṛhadvantam	bṛhadvantau	bṛhadvataḥ
Instrumental	bṛhadvatā	bṛhadvadbhyām	bṛhadvadbhiḥ
Dative	bṛhadvate	bṛhadvadbhyām	bṛhadvadbhyaḥ
Ablative	bṛhadvataḥ	bṛhadvadbhyām	bṛhadvadbhyaḥ
Genitive	bṛhadvataḥ	bṛhadvatoḥ	bṛhadvatām
Locative	bṛhadvati	bṛhadvatoḥ	bṛhadvatsu

Compound bṛhadvat -

Adverb -bṛhadvantam