Declension table of ?harṣiṣyat

Masculine	Singular	Dual	Plural
Nominative	harṣiṣyan	harṣiṣyantau	harṣiṣyantaḥ
Vocative	harṣiṣyan	harṣiṣyantau	harṣiṣyantaḥ
Accusative	harṣiṣyantam	harṣiṣyantau	harṣiṣyataḥ
Instrumental	harṣiṣyatā	harṣiṣyadbhyām	harṣiṣyadbhiḥ
Dative	harṣiṣyate	harṣiṣyadbhyām	harṣiṣyadbhyaḥ
Ablative	harṣiṣyataḥ	harṣiṣyadbhyām	harṣiṣyadbhyaḥ
Genitive	harṣiṣyataḥ	harṣiṣyatoḥ	harṣiṣyatām
Locative	harṣiṣyati	harṣiṣyatoḥ	harṣiṣyatsu

Compound harṣiṣyat -

Adverb -harṣiṣyantam