Ahasuerus
From Hebrew אֲחַשְׁוֵרוֹשׁ (Akhashverósh) from Old Persian 𐎧𐏁𐎹𐎠𐎼𐏁𐎠 (Xšayāršā, “ruler among kings”). Cognates include Xerxes from Ancient Greek Ξέρξης (Xérxēs), from the same Old Persian name.