typical (adj.)youdaoicibaDictYouDict[typical 词源字典]
c. 1600, "symbolic, emblematic," from Medieval Latin typicalis "symbolic," from Late Latin typicus "of or pertaining to a type," from Greek typikos, from typos "impression" (see type (n.)). Sense of "characteristic" is first recorded 1850. Related: Typically.[typical etymology, typical origin, 英语词源]