noun
- a period of seven days, esp. one beginning with Sunday and ending with Saturday
- a particular or specified week: Easter week, freshman week
- the hours or days of work in a seven-day period: to work a 40-hour week
Origin:
ME weke < OE wicu with lengthened & lowered vowel, akin to Ger woche (OHG wohha) < IE *weig-, to bend (see weak): basic sense “period of change”