Declension table of ?harṣya

Masculine	Singular	Dual	Plural
Nominative	harṣyaḥ	harṣyau	harṣyāḥ
Vocative	harṣya	harṣyau	harṣyāḥ
Accusative	harṣyam	harṣyau	harṣyān
Instrumental	harṣyeṇa	harṣyābhyām	harṣyaiḥ harṣyebhiḥ
Dative	harṣyāya	harṣyābhyām	harṣyebhyaḥ
Ablative	harṣyāt	harṣyābhyām	harṣyebhyaḥ
Genitive	harṣyasya	harṣyayoḥ	harṣyāṇām
Locative	harṣye	harṣyayoḥ	harṣyeṣu

Compound harṣya -

Adverb -harṣyam -harṣyāt