Declension table of ?bṛhatketu

Neuter	Singular	Dual	Plural
Nominative	bṛhatketu	bṛhatketunī	bṛhatketūni
Vocative	bṛhatketu	bṛhatketunī	bṛhatketūni
Accusative	bṛhatketu	bṛhatketunī	bṛhatketūni
Instrumental	bṛhatketunā	bṛhatketubhyām	bṛhatketubhiḥ
Dative	bṛhatketune	bṛhatketubhyām	bṛhatketubhyaḥ
Ablative	bṛhatketunaḥ	bṛhatketubhyām	bṛhatketubhyaḥ
Genitive	bṛhatketunaḥ	bṛhatketunoḥ	bṛhatketūnām
Locative	bṛhatketuni	bṛhatketunoḥ	bṛhatketuṣu

Compound bṛhatketu -

Adverb -bṛhatketu