le.sah is a proper name marking the endpoint of the Canaanite border in Genesis 10:19.

The attested form is a proper name used as the final place named in the description of the Canaanite border in Genesis 10:19.

1. Place at a border's stated endpoint · dominant

   In Genesis 10:19, the form is tagged as a proper noun and stands after the border description's final “as far as” relation. The APB renders the verse with the Canaanite border extending “as far as Lasha.”

   Genesis 10:19

In the Anselm Project Bible: In Genesis 10:19, the APB presents the name as “Lasha” at the endpoint of the border description.