Declension table of ?astheyas

Masculine	Singular	Dual	Plural
Nominative	astheyān	astheyāṃsau	astheyāṃsaḥ
Vocative	astheyan	astheyāṃsau	astheyāṃsaḥ
Accusative	astheyāṃsam	astheyāṃsau	astheyasaḥ
Instrumental	astheyasā	astheyobhyām	astheyobhiḥ
Dative	astheyase	astheyobhyām	astheyobhyaḥ
Ablative	astheyasaḥ	astheyobhyām	astheyobhyaḥ
Genitive	astheyasaḥ	astheyasoḥ	astheyasām
Locative	astheyasi	astheyasoḥ	astheyaḥsu

Compound astheyas -

Adverb -astheyas