Declension table of ?bṛhadvayas

Neuter	Singular	Dual	Plural
Nominative	bṛhadvayaḥ	bṛhadvayasī	bṛhadvayāṃsi
Vocative	bṛhadvayaḥ	bṛhadvayasī	bṛhadvayāṃsi
Accusative	bṛhadvayaḥ	bṛhadvayasī	bṛhadvayāṃsi
Instrumental	bṛhadvayasā	bṛhadvayobhyām	bṛhadvayobhiḥ
Dative	bṛhadvayase	bṛhadvayobhyām	bṛhadvayobhyaḥ
Ablative	bṛhadvayasaḥ	bṛhadvayobhyām	bṛhadvayobhyaḥ
Genitive	bṛhadvayasaḥ	bṛhadvayasoḥ	bṛhadvayasām
Locative	bṛhadvayasi	bṛhadvayasoḥ	bṛhadvayaḥsu

Compound bṛhadvayas -

Adverb -bṛhadvayas