fortnight

noun

Etymology: From Middle English fourtenyght, fourtene nyght, from Old English fēowertīene niht (literally “fourteen nights"; the Anglo-Saxons counted by nights), equivalent to fourteen + night. Compare sennight.

1. A period of 2 weeks.

   “Holonyms: month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond”

   “Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond”