Declension table of ?tatarvas

Neuter	Singular	Dual	Plural
Nominative	tatarvat	tataruṣī	tatarvāṃsi
Vocative	tatarvat	tataruṣī	tatarvāṃsi
Accusative	tatarvat	tataruṣī	tatarvāṃsi
Instrumental	tataruṣā	tatarvadbhyām	tatarvadbhiḥ
Dative	tataruṣe	tatarvadbhyām	tatarvadbhyaḥ
Ablative	tataruṣaḥ	tatarvadbhyām	tatarvadbhyaḥ
Genitive	tataruṣaḥ	tataruṣoḥ	tataruṣām
Locative	tataruṣi	tataruṣoḥ	tatarvatsu

Compound tatarvat -

Adverb -tatarvat