JerichoyoudaoicibaDictYouDict[Jericho 词源字典]
Biblical city (Num. xxii:1, etc.), perhaps ultimately from Hebrew yareakh "moon, month," and thus a reference to an ancient moon cult. As a figurative place of retirement (17c.), the reference is to II Sam. x:5.[Jericho etymology, Jericho origin, 英语词源]