'Beyond the River' in the Bible

In that day [when foreign armies swarm the land] the Lord will shave with a razor, hired from the regions beyond the Euphrates (that is, with the king of Assyria), [that razor will shave] the head and the hair of the legs; and it will also remove the beard [leaving Judah stripped, shamed and scorned].

Woe (judgment is coming) to the land of whirring wingsWhich is beyond the rivers of Cush (Ethiopia),