Genesis 14:13

Strong’s #5680, Ibri. Hebrew. Father-of-Tumult is the first “Hebrew” which comes from root eber (Strong’s #5677) which means “region beyond” and according to Joshua 24:2 means specifically from beyond the [Euphrates] River: “Thus has said Yahweh elohe of Israel, ‘From the age your fathers lived beyond the River, namely, Terah, the father of Father-of-Tumult and the father of Nahor, and they served other gods.’”