Strong's #3962: Lesha` (pronounced leh'-shah)
from an unused root thought to mean to break through; a boiling spring; Lesha, a place probably East of the Jordan:--Lasha.
Brown-Driver-Briggs Hebrew Lexicon:
ׁ
lesha‛
Lasha = "fissure"
1) a place in the southeast of Palestine at the limit of the Canaanites territory, near Sodom and Gomorrah
Part of Speech: noun proper locative
Relation: from an unused root thought to mean to break through
Usage:
This word is used 1 times:
Genesis 10:19: "and Gomorrah, and Admah, and Zeboim, even unto Lasha."