Questions & Answers about Hvorfor kigger du ud af vinduet?
Why do we use ud af here instead of just ud?
In Danish, ud af (out of) is used when a motion or direction goes from the inside to the outside of a specific enclosed space. Because your gaze is moving from inside the room to the outside through the window, we use the compound preposition ud af. If you just wanted to say "I am going out", without mentioning the door or building, you would just use ud.
Could I use ser instead of kigger in this sentence?
Not really. Kigger means actively looking or watching, whereas ser usually just means seeing or perceiving. Since looking out of a window is a deliberate action, kigger is the natural choice here.
Why does vinduet end in -t?
This is a quick refresher on how Danish says "the". The base word for window is et vindue (a neuter noun). To say "the window", that et attaches to the end of the word. Since vindue already ends in an "e", we just add the -t to make vinduet.