from. Hebrew "from the face of". Figure of speech Pleonasm. App-6.
Tob. fruitful land. East of Syria.
vain. unemployed, or bankrupt.
Related Commentaries of Judges 11:3
Judges 11:3
3 Then Jephthah fled fromb his brethren, and dwelt in the land of Tob: and there were gathered vain men to Jephthah, and went out with him.