Declension table of ?harṣayat

Masculine	Singular	Dual	Plural
Nominative	harṣayan	harṣayantau	harṣayantaḥ
Vocative	harṣayan	harṣayantau	harṣayantaḥ
Accusative	harṣayantam	harṣayantau	harṣayataḥ
Instrumental	harṣayatā	harṣayadbhyām	harṣayadbhiḥ
Dative	harṣayate	harṣayadbhyām	harṣayadbhyaḥ
Ablative	harṣayataḥ	harṣayadbhyām	harṣayadbhyaḥ
Genitive	harṣayataḥ	harṣayatoḥ	harṣayatām
Locative	harṣayati	harṣayatoḥ	harṣayatsu

Compound harṣayat -

Adverb -harṣayantam