Declension table of ?harasvat

Masculine	Singular	Dual	Plural
Nominative	harasvān	harasvantau	harasvantaḥ
Vocative	harasvan	harasvantau	harasvantaḥ
Accusative	harasvantam	harasvantau	harasvataḥ
Instrumental	harasvatā	harasvadbhyām	harasvadbhiḥ
Dative	harasvate	harasvadbhyām	harasvadbhyaḥ
Ablative	harasvataḥ	harasvadbhyām	harasvadbhyaḥ
Genitive	harasvataḥ	harasvatoḥ	harasvatām
Locative	harasvati	harasvatoḥ	harasvatsu

Compound harasvat -

Adverb -harasvantam