Declension table of ?tatṛkṣvas

Masculine	Singular	Dual	Plural
Nominative	tatṛkṣvān	tatṛkṣvāṃsau	tatṛkṣvāṃsaḥ
Vocative	tatṛkṣvan	tatṛkṣvāṃsau	tatṛkṣvāṃsaḥ
Accusative	tatṛkṣvāṃsam	tatṛkṣvāṃsau	tatṛkṣuṣaḥ
Instrumental	tatṛkṣuṣā	tatṛkṣvadbhyām	tatṛkṣvadbhiḥ
Dative	tatṛkṣuṣe	tatṛkṣvadbhyām	tatṛkṣvadbhyaḥ
Ablative	tatṛkṣuṣaḥ	tatṛkṣvadbhyām	tatṛkṣvadbhyaḥ
Genitive	tatṛkṣuṣaḥ	tatṛkṣuṣoḥ	tatṛkṣuṣām
Locative	tatṛkṣuṣi	tatṛkṣuṣoḥ	tatṛkṣvatsu

Compound tatṛkṣvat -

Adverb -tatṛkṣvas