Declension table of ?dur

Feminine	Singular	Dual	Plural
Nominative	dūḥ	durau	duraḥ
Vocative	dūḥ	durau	duraḥ
Accusative	duram	durau	duraḥ
Instrumental	durā	dūrbhyām	dūrbhiḥ
Dative	dure	dūrbhyām	dūrbhyaḥ
Ablative	duraḥ	dūrbhyām	dūrbhyaḥ
Genitive	duraḥ	duroḥ	durām
Locative	duri	duroḥ	dūrṣu

Compound dūr -

Adverb -dur