This is the 2056th most frequent Dutch word.
extern
External.
Here, 'extern' is used as an adjective to describe the noun 'harde schijf', meaning it is external or separate from the main device.
De externe harde schijf slaat alle gegevens op.
The external hard drive stores all data.
In this sentence, 'extern' is used as an adjective to describe the consultant, indicating that the person comes from outside the organization.
Hij heeft een externe consultant ingehuurd voor het project.
He hired an external consultant for the project.
The word 'extern' here serves as an adjective qualifying 'ingang', specifying that the entrance is situated outside or on the periphery of the property.