Declension table of ?dureya

Neuter	Singular	Dual	Plural
Nominative	dureyam	dureye	dureyāṇi
Vocative	dureya	dureye	dureyāṇi
Accusative	dureyam	dureye	dureyāṇi
Instrumental	dureyeṇa	dureyābhyām	dureyaiḥ
Dative	dureyāya	dureyābhyām	dureyebhyaḥ
Ablative	dureyāt	dureyābhyām	dureyebhyaḥ
Genitive	dureyasya	dureyayoḥ	dureyāṇām
Locative	dureye	dureyayoḥ	dureyeṣu

Compound dureya -

Adverb -dureyam -dureyāt