te.las.sar is a proper name for the place where the sons of Eden were said to be.

The term occurs as a proper place name in the question listing Gozan, Haran, Rezeph, and the sons of Eden; both verses identify the sons of Eden as being in that place.

1. Place named with the sons of Eden · dominant

   In 2 Kings 19:12 and Isaiah 37:12, the form is tagged as a proper noun and occurs in the clause identifying the sons of Eden as being in a named location. The APB renders the location as “Telassar” in both verses.

   2 Kings 19:12Isaiah 37:12

In the Anselm Project Bible: The APB presents the term as “Telassar” in both cited verses, within the phrase about the sons of Eden being there. It only confirms the verse-level presentation.