Mid 16th century; earliest use found in William Alley (d. 1570), bishop of Exeter. From post-classical Latin empyreum (also empireum) fiery heaven or sphere of fire, use as noun (short for caelum empyreum fiery heaven) of neuter of empyreus fiery.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。