Complex sentence: Prior to that, it had suffered serious decay and crime as many Columbus residents relocated to the suburbs during the 1960s and 1970s--the name "Short North" actually comes from the shorthand term used by the Columbus Police for the area.
Split into simpler sentences: Prior to that, it had suffered serious decay and crime as many Columbus residents relocated to the suburbs during the 1960s and 1970s. The name "Short North" actually comes from the shorthand term used by the Columbus Police for the area.