Lum.
An English surname transferred from the place name.
Meaning & usage
An English surname transferred from the place name.
A surname from Chinese.
Where this word comes from
As an English surname, from Middle English Lumb, from Old English Lumm, from lumm (“pool”). Analyzable as being from English lum (“pool”). As a Chinese surname, from Cantonese 林 (lam4).
A diminutive of the male given name Columbus.
Where this word comes from
Clipping of Columbus.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.