And to Heber were born two sons, the name of the one was Phaleg, because In his days the earth was divided; and the name of his brother was Jectan.

And to Eber have been born two sons, the name of the one is Peleg, for in his days hath the land been divided, and the name of his brother is Joktan.

The name of the one was Peleg - "Because in his days the inhabitants of the earth were divided according to their languages. And the name of his brother was Joktan, because in his days the years of men began to be shortened, on account of their iniquities." - T.

Peleg--(See on Genesis 10:25).

Divided - In their languages and habitations.