Declension table of ?śardhya

Neuter	Singular	Dual	Plural
Nominative	śardhyam	śardhye	śardhyāni
Vocative	śardhya	śardhye	śardhyāni
Accusative	śardhyam	śardhye	śardhyāni
Instrumental	śardhyena	śardhyābhyām	śardhyaiḥ
Dative	śardhyāya	śardhyābhyām	śardhyebhyaḥ
Ablative	śardhyāt	śardhyābhyām	śardhyebhyaḥ
Genitive	śardhyasya	śardhyayoḥ	śardhyānām
Locative	śardhye	śardhyayoḥ	śardhyeṣu

Compound śardhya -

Adverb -śardhyam -śardhyāt