Lo-debar

Boyd’s Bible Dictionary:

(barren). A place east of Jordan (2 Sam. 9:4; 17:27).

Concise Bible Dictionary:

Town on the east of Jordan, to which Mephibosheth retired after the death of his father (2 Sam. 9:4-5; 17:27). Not identified.

Jackson’s Dictionary of Scripture Proper Names:

not a word (i.e., nothing)