Declension table of ?harṣya

Neuter	Singular	Dual	Plural
Nominative	harṣyam	harṣye	harṣyāṇi
Vocative	harṣya	harṣye	harṣyāṇi
Accusative	harṣyam	harṣye	harṣyāṇi
Instrumental	harṣyeṇa	harṣyābhyām	harṣyaiḥ
Dative	harṣyāya	harṣyābhyām	harṣyebhyaḥ
Ablative	harṣyāt	harṣyābhyām	harṣyebhyaḥ
Genitive	harṣyasya	harṣyayoḥ	harṣyāṇām
Locative	harṣye	harṣyayoḥ	harṣyeṣu

Compound harṣya -

Adverb -harṣyam -harṣyāt