sitcom (n.)youdaoicibaDictYouDict[sitcom 词源字典]
by 1959, from the first elements of situation comedy, a phrase attested from 1953 of television shows, 1943 of radio programs; see situation.
Even Bing Crosby has succumbed to series TV and will appear in a sitcom as an electrical engineer who happens to break into song once a week. ["Life," Sept. 18, 1964]
[sitcom etymology, sitcom origin, 英语词源]