Declension table of ?duroṇayu

Neuter	Singular	Dual	Plural
Nominative	duroṇayu	duroṇayunī	duroṇayūni
Vocative	duroṇayu	duroṇayunī	duroṇayūni
Accusative	duroṇayu	duroṇayunī	duroṇayūni
Instrumental	duroṇayunā	duroṇayubhyām	duroṇayubhiḥ
Dative	duroṇayune	duroṇayubhyām	duroṇayubhyaḥ
Ablative	duroṇayunaḥ	duroṇayubhyām	duroṇayubhyaḥ
Genitive	duroṇayunaḥ	duroṇayunoḥ	duroṇayūnām
Locative	duroṇayuni	duroṇayunoḥ	duroṇayuṣu

Compound duroṇayu -

Adverb -duroṇayu