creepy (adj.)youdaoicibaDictYouDict[creepy 词源字典]
1794, "characterized by creeping," from creep + -y (2). Meaning "having a creeping feeling in the flesh" is from 1831; that of producing such a feeling, the main modern sense, is from 1858. Creepy-crawly is from 1858.[creepy etymology, creepy origin, 英语词源]