solifidian (n.)youdaoicibaDictYouDict[solifidian 词源字典]
"one who believes in salvation by faith alone" (based on Luther's translation of Rom. iii:28), 1590s, Reformation coinage from Latin solus "alone" (see sole (adj.)) + fides "faith" (see faith). As an adjective from c. 1600. Related: Solifidianism[solifidian etymology, solifidian origin, 英语词源]