sennightyoudaoicibaDictYouDict[sennight 词源字典]
sennight: see fortnight
[sennight etymology, sennight origin, 英语词源]
sennight (n.)youdaoicibaDictYouDict
"period of seven days, a week" (archaic), c. 1200, contracted from Old English seofon nihta; see seven + night. Also compare fortnight.