steilen
Steilen is a German verb meaning to steepen or to make something steeper. It is formed from the adjective steil (steep) with the verbal suffix -en, indicating an action or process. In standard usage, steilen describes the act of increasing the steepness of a slope, hill, coastline, or other terrain feature. It is a technical or descriptive term commonly found in geology, geomorphology, civil engineering, and landscape planning. The usual way to express the change is to say that a slope becomes steiler or that one makes the slope steeper, using phrases such as den Hang steiler machen or der Hang wird steiler; more general language often uses steiler werden to convey the same idea. The English cognate is steepen.
Steilen can also be encountered as a surname of German origin. As a family name it appears