Declension table of ?tasthagvas

Neuter	Singular	Dual	Plural
Nominative	tasthagvat	tasthaguṣī	tasthagvāṃsi
Vocative	tasthagvat	tasthaguṣī	tasthagvāṃsi
Accusative	tasthagvat	tasthaguṣī	tasthagvāṃsi
Instrumental	tasthaguṣā	tasthagvadbhyām	tasthagvadbhiḥ
Dative	tasthaguṣe	tasthagvadbhyām	tasthagvadbhyaḥ
Ablative	tasthaguṣaḥ	tasthagvadbhyām	tasthagvadbhyaḥ
Genitive	tasthaguṣaḥ	tasthaguṣoḥ	tasthaguṣām
Locative	tasthaguṣi	tasthaguṣoḥ	tasthagvatsu

Compound tasthagvat -

Adverb -tasthagvat