# lum

> English word · Noun · IPA /lʌm/ · frequency rank #47,736

## Definitions
1. A chimney; also, the top part of a chimney.
2. A chimney; also, the top part of a chimney.

## Etymology
Borrowed from Scots lum, Early Scots lumb; further etymology uncertain, but probably from Cumbric *lümon, related to Welsh llumon (“chimney”) (obsolete), from Proto-Celtic *loimono. Possibly at least influenced by Old French lum (“light”), lume (“cooking fire”) (compare French lumière (“light; cavity or channel within a tube or tubular organ, lumen; opening”)), from Latin lūmen (“light; light source; opening through which light can penetrate such as an air-hole or window; opening or orifice in a water-pipe or funnel”), ultimately from Proto-Indo-European *lewk- (“bright; to see; to shine”).

## Easily confused with
- **LV** (https://plainspell.com/en/vs/lum-vs-lv)
- **lx** (https://plainspell.com/en/vs/lum-vs-lx)
- **LZ** (https://plainspell.com/en/vs/lum-vs-lz)
- **lux** (https://plainspell.com/en/vs/lum-vs-lux)
- **luv** (https://plainspell.com/en/vs/lum-vs-luv)
- **lyn** (https://plainspell.com/en/vs/lum-vs-lyn)
- **luz** (https://plainspell.com/en/vs/lum-vs-luz)
- **Luo** (https://plainspell.com/en/vs/lum-vs-luo)
- **lye** (https://plainspell.com/en/vs/lum-vs-lye)
- **lun** (https://plainspell.com/en/vs/lum-vs-lun)
- **lung** (https://plainspell.com/en/vs/lum-vs-lung)
- **lust** (https://plainspell.com/en/vs/lum-vs-lust)
- **lump** (https://plainspell.com/en/vs/lum-vs-lump)
- **lure** (https://plainspell.com/en/vs/lum-vs-lure)
- **luna** (https://plainspell.com/en/vs/lum-vs-luna)
- **lush** (https://plainspell.com/en/vs/lum-vs-lush)
- **Lyme** (https://plainspell.com/en/vs/lum-vs-lyme)
- **Lund** (https://plainspell.com/en/vs/lum-vs-lund)
- **lurk** (https://plainspell.com/en/vs/lum-vs-lurk)
- **luxe** (https://plainspell.com/en/vs/lum-vs-luxe)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lum