Smith's Bible Dictionary (1863)
(hammered), the name of the second of the sons of Dedan son of Jokshan.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
LETU'SHIM (sharpened, hammered), an Arabian tribe descended from Dedan, the son of Jokshan. Gen 25:3.
Hitchcock's Bible Names (1869)
hammermen; filemen