soteriology (n.)youdaoicibaDictYouDict[soteriology 词源字典]
1847, in reference to health; 1864 in reference to salvation, from German soteriologie, from Greek soteria "preservation, salvation," from soizein "save, preserve," related to sos "safe, healthy," of uncertain origin. With -ology.[soteriology etymology, soteriology origin, 英语词源]