Declension table of ?auṣastya

Masculine	Singular	Dual	Plural
Nominative	auṣastyaḥ	auṣastyau	auṣastyāḥ
Vocative	auṣastya	auṣastyau	auṣastyāḥ
Accusative	auṣastyam	auṣastyau	auṣastyān
Instrumental	auṣastyena	auṣastyābhyām	auṣastyaiḥ auṣastyebhiḥ
Dative	auṣastyāya	auṣastyābhyām	auṣastyebhyaḥ
Ablative	auṣastyāt	auṣastyābhyām	auṣastyebhyaḥ
Genitive	auṣastyasya	auṣastyayoḥ	auṣastyānām
Locative	auṣastye	auṣastyayoḥ	auṣastyeṣu

Compound auṣastya -

Adverb -auṣastyam -auṣastyāt