Declension table of ?dāvayiṣyat

Masculine	Singular	Dual	Plural
Nominative	dāvayiṣyan	dāvayiṣyantau	dāvayiṣyantaḥ
Vocative	dāvayiṣyan	dāvayiṣyantau	dāvayiṣyantaḥ
Accusative	dāvayiṣyantam	dāvayiṣyantau	dāvayiṣyataḥ
Instrumental	dāvayiṣyatā	dāvayiṣyadbhyām	dāvayiṣyadbhiḥ
Dative	dāvayiṣyate	dāvayiṣyadbhyām	dāvayiṣyadbhyaḥ
Ablative	dāvayiṣyataḥ	dāvayiṣyadbhyām	dāvayiṣyadbhyaḥ
Genitive	dāvayiṣyataḥ	dāvayiṣyatoḥ	dāvayiṣyatām
Locative	dāvayiṣyati	dāvayiṣyatoḥ	dāvayiṣyatsu

Compound dāvayiṣyat -

Adverb -dāvayiṣyantam