Declension table of ?amarṣavat

Masculine	Singular	Dual	Plural
Nominative	amarṣavān	amarṣavantau	amarṣavantaḥ
Vocative	amarṣavan	amarṣavantau	amarṣavantaḥ
Accusative	amarṣavantam	amarṣavantau	amarṣavataḥ
Instrumental	amarṣavatā	amarṣavadbhyām	amarṣavadbhiḥ
Dative	amarṣavate	amarṣavadbhyām	amarṣavadbhyaḥ
Ablative	amarṣavataḥ	amarṣavadbhyām	amarṣavadbhyaḥ
Genitive	amarṣavataḥ	amarṣavatoḥ	amarṣavatām
Locative	amarṣavati	amarṣavatoḥ	amarṣavatsu

Compound amarṣavat -

Adverb -amarṣavantam