It may be derived from the ancient Castellum Cattorum, a castle of the Chatti, a German tribe that experienced lived in the area because Roman situations. A different assumption can be a portmanteau from Frankonian cas, which means "valley or recess", and sali this means "hall or service making", which http://medizinischegruppe.de/2024/08/03/die-vorteile-von-24-stunden-pflegediensten-in-kassel-fur-ihre-lieben/