Declension table of ?dharmayu

Masculine	Singular	Dual	Plural
Nominative	dharmayuḥ	dharmayū	dharmayavaḥ
Vocative	dharmayo	dharmayū	dharmayavaḥ
Accusative	dharmayum	dharmayū	dharmayūn
Instrumental	dharmayuṇā	dharmayubhyām	dharmayubhiḥ
Dative	dharmayave	dharmayubhyām	dharmayubhyaḥ
Ablative	dharmayoḥ	dharmayubhyām	dharmayubhyaḥ
Genitive	dharmayoḥ	dharmayvoḥ	dharmayūṇām
Locative	dharmayau	dharmayvoḥ	dharmayuṣu

Compound dharmayu -

Adverb -dharmayu