Declension table of ?ardharātra

Masculine	Singular	Dual	Plural
Nominative	ardharātraḥ	ardharātrau	ardharātrāḥ
Vocative	ardharātra	ardharātrau	ardharātrāḥ
Accusative	ardharātram	ardharātrau	ardharātrān
Instrumental	ardharātreṇa	ardharātrābhyām	ardharātraiḥ ardharātrebhiḥ
Dative	ardharātrāya	ardharātrābhyām	ardharātrebhyaḥ
Ablative	ardharātrāt	ardharātrābhyām	ardharātrebhyaḥ
Genitive	ardharātrasya	ardharātrayoḥ	ardharātrāṇām
Locative	ardharātre	ardharātrayoḥ	ardharātreṣu

Compound ardharātra -

Adverb -ardharātram -ardharātrāt