# alburnum

> English word · Noun

## Definitions
1. sapwood; the soft, newer wood in the trunk of a tree found between the bark and the hardened heartwood.

## Etymology
From Latin alburnum, from albus (“white”), since it is often paler in color than the heartwood.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/alburnum