tser is used as the name of a fortified city in a list of cities.

The attested use presents tser as a proper name within a list of fortified cities in Joshua 19:35.

1. Name in a fortified-city list · dominant

   The form is tagged as a proper noun in Joshua 19:35, where it occurs among named fortified cities. In Joshua 19:35 the APB renders the list, “The fortified cities were Ziddim, Zer, Hammath, Rakkath, and Chinnereth.”

   Joshua 19:35

In the Anselm Project Bible: In Joshua 19:35, the APB includes “Zer” among the named fortified cities.