So called, not from its situation in the tribe of Ephraim, which was on the other side Jordan, as is evident; but from some memorable action or occurrent of the Ephraimites beyond, Jordan; whether it was their killing of Oreb and Zeeb there, Jud_7:25 8:3, or their slaughter by Jephthah, Jud_12:5,6, or some other not mentioned in sacred Scripture.