jim-jams (1)youdaoicibaDictYouDict[jim-jams 词源字典]
"A fit of depression or nervousness", Mid 16th century (originally denoting a small article or knick-knack): fanciful reduplication. The current sense dates from the late 19th century.[jim-jams etymology, jim-jams origin, 英语词源]
jim-jams (2)youdaoicibaDictYouDict
"Pyjamas", Early 20th century: abbreviation of pie-jim-jams, alteration of pyjamas.