Declension table of ?brahmavittva

Neuter	Singular	Dual	Plural
Nominative	brahmavittvam	brahmavittve	brahmavittvāni
Vocative	brahmavittva	brahmavittve	brahmavittvāni
Accusative	brahmavittvam	brahmavittve	brahmavittvāni
Instrumental	brahmavittvena	brahmavittvābhyām	brahmavittvaiḥ
Dative	brahmavittvāya	brahmavittvābhyām	brahmavittvebhyaḥ
Ablative	brahmavittvāt	brahmavittvābhyām	brahmavittvebhyaḥ
Genitive	brahmavittvasya	brahmavittvayoḥ	brahmavittvānām
Locative	brahmavittve	brahmavittvayoḥ	brahmavittveṣu

Compound brahmavittva -

Adverb -brahmavittvam -brahmavittvāt