Tiefung
Tiefung is a German term that translates to "deepening" or "embankment" and primarily refers to a type of engineering construction. In civil engineering, it describes the process of excavating or lowering the ground level to create a depression or a sunken area. This can be done for various purposes, such as forming a canal, a railway cutting, a road underpass, or a foundation for a structure. The material removed during the excavation is often used to build up surrounding areas, creating embankments.
The term can also be used in a more general sense to describe the act of making