udbygger
Udbygger is a Danish term formed from udbygge, meaning to extend, develop, or expand. It functions primarily as the present tense form of the verb udbygge, used with a subject that performs the expansion. For example: "Han udbygger boligen" (He is extending the dwelling). The meaning can range from a simple house extension to broader development projects.
As a noun, udbygger is less common but can denote a person who carries out an extension
Etymologically, udbygger combines the prefix ud- (outward, external) with bygge (to build). The related noun udbygning
In Norwegian, the closest cognate form is utbygger (without the d after t). The meaning parallels Danish