Declension table of ?auṣastya

Neuter	Singular	Dual	Plural
Nominative	auṣastyam	auṣastye	auṣastyāni
Vocative	auṣastya	auṣastye	auṣastyāni
Accusative	auṣastyam	auṣastye	auṣastyāni
Instrumental	auṣastyena	auṣastyābhyām	auṣastyaiḥ
Dative	auṣastyāya	auṣastyābhyām	auṣastyebhyaḥ
Ablative	auṣastyāt	auṣastyābhyām	auṣastyebhyaḥ
Genitive	auṣastyasya	auṣastyayoḥ	auṣastyānām
Locative	auṣastye	auṣastyayoḥ	auṣastyeṣu

Compound auṣastya -

Adverb -auṣastyam -auṣastyāt