Declension table of ?ardhya

Neuter	Singular	Dual	Plural
Nominative	ardhyam	ardhye	ardhyāni
Vocative	ardhya	ardhye	ardhyāni
Accusative	ardhyam	ardhye	ardhyāni
Instrumental	ardhyena	ardhyābhyām	ardhyaiḥ
Dative	ardhyāya	ardhyābhyām	ardhyebhyaḥ
Ablative	ardhyāt	ardhyābhyām	ardhyebhyaḥ
Genitive	ardhyasya	ardhyayoḥ	ardhyānām
Locative	ardhye	ardhyayoḥ	ardhyeṣu

Compound ardhya -

Adverb -ardhyam -ardhyāt