halykos

(Translation from NRSV for the New Testament and Brenton for the Septuagint with a few modifications for a more literal meaning)

James

3, 12

Can a fig tree, my brothers and sisters, yield olives, or a grapevine figs? No more can salty (halykos) water yield fresh.

Genesis (LXX)

14, 3	All these met with one consent at the salty (halykos) valley; this is now the sea of salt.
14, 8	And the king of Sodom went out, and the king of Gomorrha, and king of Adama, and king of Seboim, and king of Balac, this is Segor, and they set themselves in array against them for war in the salty (halykos) valley,
14, 10	Now the salty (halykos) valley consists of slime-pits. And the king of Sodom fled and the king of Gomorrha, and they fell in there: and they that were left fled to the mountain country.

Numbers (LXX)

34, 3	And your southern side shall be from the wilderness of Sin to the border of Edom, and your border southward shall extend on the side of the salty (halykos) sea eastward.
34, 12	And the border shall go down to Jordan, and the termination shall be the salty (halykos) sea; this shall be your land and its borders round about.

Deuteronomy (LXX)

3, 17

And Araba and Jordan are the boundary of Machanareth, even to the sea of Araba, the salty (halykos) sea under Asedoth Phasga eastward.

Joshua (LXX)

15, 2	And their borders were from the south as far as a part of the salty (halykos) sea from the high country that extends southward.
15, 5	And their boundaries eastward are all the salty (halykos) sea as far as Jordan; and their borders from the north, and from the border of the sea, and from part of Jordan