Apparently the accusative case of an obsolete derivation of πείρω peirō (to peirce); through (as adverb or {preposition}) that {is} across: - {beyond} farther (other) {side} over.
Mat 4:25And there followed him great multitudes of people from Galilee, and from Decapolis, and from Jerusalem, and from Judaea, and from beyondG4008 Jordan.
Mat 8:28¶ And when he was come to the other sideG4008 into the country of the Gergesenes, there met him two possessed with devils, coming out of the tombs, exceeding fierce, so that no man might pass by that way.
Mat 14:22¶ And straightway Jesus constrained his disciples to get into a ship, and to go before him unto the other sideG4008, while he sent the multitudes away.
Mat 19:1And it came to pass, that when Jesus had finished these sayings, he departed from Galilee, and came into the coasts of Judaea beyondG4008 Jordan;
Mar 3:8And from Jerusalem, and from Idumaea, and from beyondG4008 Jordan; and they about Tyre and Sidon, a great multitude, when they had heard what great things he did, came unto him.
Mar 6:45And straightway he constrained his disciples to get into the ship, and to go to the other sideG4008 before unto Bethsaida, while he sent away the people.
Mar 10:1And he arose from thence, and cometh into the coasts of Judaea by the farther sideG4008 of Jordan: and the people resort unto him again; and, as he was wont, he taught them again.
Luk 8:22¶ Now it came to pass on a certain day, that he went into a ship with his disciples: and he said unto them, Let us go over unto the other sideG4008 of the lake. And they launched forth.
Joh 3:26And they came unto John, and said unto him, Rabbi, he that was with thee beyondG4008 Jordan, to whom thou barest witness, behold, the same baptizeth, and all men come to him.
Joh 6:22¶ The day following, when the people which stood on the other sideG4008 of the sea saw that there was none other boat there, save that one whereinto his disciples were entered, and that Jesus went not with his disciples into the boat, but that his disciples were gone away alone;
Joh 18:1When Jesus had spoken these words, he went forth with his disciples overG4008 the brook Cedron, where was a garden, into the which he entered, and his disciples.