Elysium (n.)youdaoicibaDictYouDict[Elysium 词源字典]
1590s, from Latin Elysium, from Greek Elysion (pedion) "Elysian field," abode of the blessed after death, where heroes and the virtuous dwell, which is of unknown origin, perhaps from a pre-Greek language. Also used figuratively of a situation of complete happiness.[Elysium etymology, Elysium origin, 英语词源]