Declension table of ?mahayiṣyat

Masculine	Singular	Dual	Plural
Nominative	mahayiṣyan	mahayiṣyantau	mahayiṣyantaḥ
Vocative	mahayiṣyan	mahayiṣyantau	mahayiṣyantaḥ
Accusative	mahayiṣyantam	mahayiṣyantau	mahayiṣyataḥ
Instrumental	mahayiṣyatā	mahayiṣyadbhyām	mahayiṣyadbhiḥ
Dative	mahayiṣyate	mahayiṣyadbhyām	mahayiṣyadbhyaḥ
Ablative	mahayiṣyataḥ	mahayiṣyadbhyām	mahayiṣyadbhyaḥ
Genitive	mahayiṣyataḥ	mahayiṣyatoḥ	mahayiṣyatām
Locative	mahayiṣyati	mahayiṣyatoḥ	mahayiṣyatsu

Compound mahayiṣyat -

Adverb -mahayiṣyantam