Numbers 13:24

That place, was called, The Ravine of Eschol - on account of the cluster, which was cut down from thence by the sons of Israel.

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 entered as far as the ravine of Eschol, and cut down, from thence a branch with one cluster of gropes, and bare it on a pole between two, - also of the pomegranates and of the figs.