atonement (n.)youdaoicibaDictYouDict[atonement 词源字典]
1510s, "condition of being at one (with others)," from atone + -ment. Meaning "reconciliation" (especially of sinners with God) is from 1520s; that of "propitiation of an offended party" is from 1610s.[atonement etymology, atonement origin, 英语词源]