unknown的词源

英文词源

unknown (adj.)

c. 1300, "strange, unfamiliar" (of persons, places), from un- (1) "not" + past participle of know (v.). Compare Old English ungecnawen. In reference to facts, "not discovered or found out," it attested from early 14c. The noun meaning "unknown person" is recorded from 1590s; the unknown "that which is unknown" is from 1650s.

中文词源

unknown：未知的，不知名的

词根词缀： un-否定 + known知名的

该词的英语词源请访问找单词词源英文版：unknown 词源，unknown 含义。