Declension table of ?iṣayiṣyat

Masculine	Singular	Dual	Plural
Nominative	iṣayiṣyan	iṣayiṣyantau	iṣayiṣyantaḥ
Vocative	iṣayiṣyan	iṣayiṣyantau	iṣayiṣyantaḥ
Accusative	iṣayiṣyantam	iṣayiṣyantau	iṣayiṣyataḥ
Instrumental	iṣayiṣyatā	iṣayiṣyadbhyām	iṣayiṣyadbhiḥ
Dative	iṣayiṣyate	iṣayiṣyadbhyām	iṣayiṣyadbhyaḥ
Ablative	iṣayiṣyataḥ	iṣayiṣyadbhyām	iṣayiṣyadbhyaḥ
Genitive	iṣayiṣyataḥ	iṣayiṣyatoḥ	iṣayiṣyatām
Locative	iṣayiṣyati	iṣayiṣyatoḥ	iṣayiṣyatsu

Compound iṣayiṣyat -

Adverb -iṣayiṣyantam