This is the 938th most frequent Swedish word.
stängde
"Stängde" means "closed" (past tense of "close").
Here, 'stängde' indicates a past event where the subject (the store) ceased operations or activity for the specified time.
Butiken stängde tidigt idag.
The store closed early today.
In this usage, 'stängde' describes an external force (the wind) causing the action of closing the object (the window).
Vinden stängde fönstret plötsligt.
The wind suddenly closed the window.
The verb 'stängde' means 'closed' and is the past tense of 'stänga', referring to the subject performing the action of closing on an object (the door).