Declension table of ?tastṛkṣvas

Neuter	Singular	Dual	Plural
Nominative	tastṛkṣvat	tastṛkṣuṣī	tastṛkṣvāṃsi
Vocative	tastṛkṣvat	tastṛkṣuṣī	tastṛkṣvāṃsi
Accusative	tastṛkṣvat	tastṛkṣuṣī	tastṛkṣvāṃsi
Instrumental	tastṛkṣuṣā	tastṛkṣvadbhyām	tastṛkṣvadbhiḥ
Dative	tastṛkṣuṣe	tastṛkṣvadbhyām	tastṛkṣvadbhyaḥ
Ablative	tastṛkṣuṣaḥ	tastṛkṣvadbhyām	tastṛkṣvadbhyaḥ
Genitive	tastṛkṣuṣaḥ	tastṛkṣuṣoḥ	tastṛkṣuṣām
Locative	tastṛkṣuṣi	tastṛkṣuṣoḥ	tastṛkṣvatsu

Compound tastṛkṣvat -

Adverb -tastṛkṣvat