The earliest name associated with the city, Ur usalim, perhaps meant  city of Shalim  or  founded by Shalim.  
The name Ur usalim was never associated with that city.
mnli hypothesis: The name Ur usalim was never associated with that city. premise: The earliest name associated with the city, Ur usalim, perhaps meant  city of Shalim  or  founded by Shalim.  