"door window" is a correct and usable expression in written English.
You could use it to refer to a window that is located in or on a door, for example: "The door window was opened to let in some fresh air."
She could see his "emotionless" face through the door window.
A test rig is established to represent the situation at the car door window under defined and repeatable conditions.
The door window was smashed and police tape surrounded the property.
At 11.30pm he was observed still looking through the door window.
At 11.15pm he was observed looking out of his door window.
Staring into the door window behind him like Narcissus into his pool.
At Central Grocery, which has provided countless eaters with their benchmark muffuletta experience, the front-door window was punched in.
The front passenger-door window was broken on a vehicle.
"The other bullet went through the passenger rear-door window and got him in the temple".
Early Saturday morning, someone reportedly threw a brick through the Newport Boulevard Irish pub's front-door window with a threatening note taped to it.
Glad to hear that your door + window sales are going good, Sarge, and keep up the good work.
