The place was called the brook Eshcol, because of the cluster of grapes which the children of Israel cut down from thence.
Deuteronomy 6:11And houses full of all good things, which thou filledst not, and wells digged, which thou diggedst not, vineyards and olive trees, which thou plantedst not; when thou shalt have eaten and be full;
Joshua 24:13And I have given you a land for which ye did not labour, and cities which ye built not, and ye dwell in them; of the vineyards and oliveyards which ye planted not do ye eat.