eyesore (n.)youdaoicibaDictYouDict[eyesore 词源字典]
c. 1300, "a soreness of the eyes" (obsolete); modern sense of "something offensive to the eye" is from 1520s; from eye (n.) + sore (n.). In the sense "eye disease" Old English had eagseoung.[eyesore etymology, eyesore origin, 英语词源]