Numbers 13:24

That place he called the valley of Eshcol on account of the cluster of grapes that the {Israelites} cut off from there.

Treasury of Scripture Knowledge

Summary

The place was called the brook Eshcol, because of the cluster of grapes which the children of Israel cut down from thence.

Bible References

Brook

Numbers 13:23
And they came up to the valley of Eshcol, and they cut off a vine branch and one cluster of grapes from there; they carried it on pole between two [men], [with] pomegranates and figs.