To close a window in English, you would say "close the window" or "shut the window." The origin of this phrase comes from the verb "to close," which means to move something so that it covers or blocks an opening, and the noun "window," which refers to an opening in the wall of a building or vehicle that is usually covered with glass or a similar transparent material and can be opened to allow light and air to enter.

Here are some example sentences using this phrase:

Could you please close the window? It's getting cold in here.

I shut the window before I went to bed to keep the draft out.

The baby was crying, so I closed the windows to block out the noise from outside.