loppuviikko (englanniksi)

end or second half of a week (s)
usually understood to refer to a working week (s)
i.e. to Thursday and Friday (s)
sometimes Wednesday (s)
Some cases are used adverbially to produce expressions similar to English "late + this (s)
next (s)
last + week" (s)
see loppuviikolla (s)
loppuviikosta (s)
Any of the last weeks of a longer period of time (s)