“Peleg ” means division, part
Peleg : son of Eber and brother of Joktan. (Genesis 10:25; 11:16) The only incident connected with his history is the statement that "in his days was the earth divided." an event embodied in the meaning of his name --"division." The reference is to a division of the family of Eber himself, the younger branch of which (the Joktanids) migrated into southern Arabia, while the elder remained in Mesopotamia.