syndrome (n.)youdaoicibaDictYouDict[syndrome 词源字典]
"a number of symptoms occurring together," 1540s, from medical Latin, from Greek syndrome "concurrence of symptoms, concourse of people," from syndromos "place where several roads meet," literally "a running together," from syn- "with" (see syn-) + dromos "a running, course" (see dromedary). Psychological sense is from 1955.[syndrome etymology, syndrome origin, 英语词源]