An Etymological Dictionary of the German Language/Schacht
Appearance
Schacht (1.), m., ‘shaft’ (of a pit), from the equiv. MidHG. schaht, m.; prop. the LG. form of Schaft. See the following word.
Schacht (2.), m., ‘square rood,’ ModHG. only, from the equiv. LG. schacht, which is identical with HG. Schaft. —