Ahasuerus m. Latin Assuerus from Greek Ξέρξης from Old Persian 𐏋 'ruler' + Old Persian 𐎹𐎠𐎼𐏁𐎠 'male, man'.
The name of a king of Persia appearing in the Biblical book of Esther. Wycliffite Bible (1395): Assuerus. Sagradas Escrituras (1569): Asuero. Geneva Bible (1587): Ahashuerosh.