This is the 1264th most frequent Dutch word.
doorlopen
"Doorlopen" means to walk through or to continue (proceed) without interruption.
In this sentence, 'doorlopen' means to go through or complete a process or course.
Hij heeft de hele cursus doorlopen.
He has completed the entire course.
Here, 'doorlopen' is used to describe moving quickly through a space, emphasizing the action of walking with purpose.
Ik zag hem snel door de gang doorlopen.
I saw him quickly walk through the hallway.
In this context, 'doorlopen' means to permeate or pass through a material.