Declension table of ?tastabhāna

Neuter	Singular	Dual	Plural
Nominative	tastabhānam	tastabhāne	tastabhānāni
Vocative	tastabhāna	tastabhāne	tastabhānāni
Accusative	tastabhānam	tastabhāne	tastabhānāni
Instrumental	tastabhānena	tastabhānābhyām	tastabhānaiḥ
Dative	tastabhānāya	tastabhānābhyām	tastabhānebhyaḥ
Ablative	tastabhānāt	tastabhānābhyām	tastabhānebhyaḥ
Genitive	tastabhānasya	tastabhānayoḥ	tastabhānānām
Locative	tastabhāne	tastabhānayoḥ	tastabhāneṣu

Compound tastabhāna -

Adverb -tastabhānam -tastabhānāt