en_tn_condensed/ezk/47/03.md

measuring line

a string or a rope that people use to measure longer distances

one thousand cubits

Each long cubit was about 54 centimeters. AT: "1,000 cubits" or "about 540 meters" (See: rc://en/ta/man/translate/translate-bdistance)

a river that could not be crossed

This can be translated in active form. AT: "a river that no one could cross on foot" (See: rc://en/ta/man/translate/figs-activepassive)