Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Letushim
Usage: People descended from Letush(?) of the Patriarchs, only mentioned at Gen.25.3; descended from Dedan (H1719C); along with Asshurim (H0805A) and Leummim (H3817) § Letushim = "hammered" the 2nd son of Dedan, grandson of Jokshan, great grandson of Abraham by Keturah