Meaning

noun any day except Sunday (and sometimes except Saturday)

originInherited from Middle English wykeday, from Old English wicdæġ (“weekday”), from Proto-West Germanic *wikadag, from Proto-Germanic *wikadagaz (“weekday”). By surface analysis, compound of week + day. Compare West Frisian wikedei (“weekday”), Dutch weekdag (“weekday”), German Low German Wekendag (“weekday”), German Wochentag (“weekday”), Danish ugedag (“weekday”), Swedish veckodag (“weekday”),…

Etymology from Wiktionary, CC BY-SA 3.0