jeftu -jef- gismu

x1 is x2 weeks in duration (default is 1 week) by standard x3.

Re. x3, a week may be more or less than seven days, classically being tied to the time between trips to the marketplace; this week (= cabjeftu); next week (= bavlamjeftu); last week (= prulamjeftu). See also detri, djedi, masti, nanca.

In notes:

x1 is the date [day,{week},{month},year] of event/state x2, at location x3, by calendar x4.
x1 is x2 full days in duration (default is 1 day) by standard x3; (adjective:) x1 is diurnal.
x1 is x2 months in duration (default is 1 month) by month standard x3.
x1 is x2 years in duration (default is 1 year) by standard x3; (adjective:) x1 is annual.
x1=di1=dj1 is a regularly-occurring period of days off work [weekend] lasting x2=dj2 days, recurring every x3=j2=di3 weeks (default 1), for worker x4=g1, at job x5=g2
x2=j1 is x1=j2 weeks in duration by standard x3=j3.
x3=j1 is x2=j2 weeks in duration by standard x1=j3.
x1 (event) is dated/pertaining to day/occurring on day x2 of month x3 of year x4 in calendar x5