Declension table of ?tapastanu

Masculine	Singular	Dual	Plural
Nominative	tapastanuḥ	tapastanū	tapastanavaḥ
Vocative	tapastano	tapastanū	tapastanavaḥ
Accusative	tapastanum	tapastanū	tapastanūn
Instrumental	tapastanunā	tapastanubhyām	tapastanubhiḥ
Dative	tapastanave	tapastanubhyām	tapastanubhyaḥ
Ablative	tapastanoḥ	tapastanubhyām	tapastanubhyaḥ
Genitive	tapastanoḥ	tapastanvoḥ	tapastanūnām
Locative	tapastanau	tapastanvoḥ	tapastanuṣu

Compound tapastanu -

Adverb -tapastanu