aeon [L16th] This entered English via ecclesiastical Latin from Greek aiōn ‘age’ and is usually used in the plural in phrases such as aeons ago.
英语词源词典收录了6069条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。