Declension table of ?tapastanu

Neuter	Singular	Dual	Plural
Nominative	tapastanu	tapastanunī	tapastanūni
Vocative	tapastanu	tapastanunī	tapastanūni
Accusative	tapastanu	tapastanunī	tapastanūni
Instrumental	tapastanunā	tapastanubhyām	tapastanubhiḥ
Dative	tapastanune	tapastanubhyām	tapastanubhyaḥ
Ablative	tapastanunaḥ	tapastanubhyām	tapastanubhyaḥ
Genitive	tapastanunaḥ	tapastanunoḥ	tapastanūnām
Locative	tapastanuni	tapastanunoḥ	tapastanuṣu

Compound tapastanu -

Adverb -tapastanu