Declension table of ?advayu

Neuter	Singular	Dual	Plural
Nominative	advayu	advayunī	advayūni
Vocative	advayu	advayunī	advayūni
Accusative	advayu	advayunī	advayūni
Instrumental	advayunā	advayubhyām	advayubhiḥ
Dative	advayune	advayubhyām	advayubhyaḥ
Ablative	advayunaḥ	advayubhyām	advayubhyaḥ
Genitive	advayunaḥ	advayunoḥ	advayūnām
Locative	advayuni	advayunoḥ	advayuṣu

Compound advayu -

Adverb -advayu