Strong's Definition
plural of 3816; communities; Leum mim, an Arabian
KJV Usage: Leummim
STEPBible — Tyndale Abridged Hebrew Lexicon
לְאֻמִּ֑ים (le.um.mim) — Leummim. People descended from Leumm(?) of the Patriarchs, only mentioned at Gen.25.3; descended from Dedan (H1719C); along with Asshurim (H0805A) and Letushim (H3912) § Leummim = "peoples" son of Dedan and grandson of Jokshan
UBS Dictionary of Biblical Hebrew
name
Names of Groups
Leummim, Leummites = unidentified ethnic group; ◄ regarded as descendants of Abraham via Jokshan and Dedan
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
לְאֻמִּ֑ים n.pr.gent. as ‘son’ of Dedan Gn 25:3. ref