Declension table of ?heṣasvat

Masculine	Singular	Dual	Plural
Nominative	heṣasvān	heṣasvantau	heṣasvantaḥ
Vocative	heṣasvan	heṣasvantau	heṣasvantaḥ
Accusative	heṣasvantam	heṣasvantau	heṣasvataḥ
Instrumental	heṣasvatā	heṣasvadbhyām	heṣasvadbhiḥ
Dative	heṣasvate	heṣasvadbhyām	heṣasvadbhyaḥ
Ablative	heṣasvataḥ	heṣasvadbhyām	heṣasvadbhyaḥ
Genitive	heṣasvataḥ	heṣasvatoḥ	heṣasvatām
Locative	heṣasvati	heṣasvatoḥ	heṣasvatsu

Compound heṣasvat -

Adverb -heṣasvantam