alburnum

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

alburnum (usually uncountable, plural alburnums)

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

• laburnum

From albus (“white”).

• (Classical Latin) IPA^(key): [aɫˈbʊr.nũː]
• (modern Italianate Ecclesiastical) IPA^(key): [alˈbur.num]

alburnum n (genitive alburnī); second declension

1. alburnum; sapwood

Second-declension noun (neuter).

• English: alburnum
• Italian: alburno
• Portuguese: alburno, borne
• Spanish: alburno

• “alburnum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• "alburnum", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• alburnum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “alburnum” on page 93/3 of the Oxford Latin Dictionary (1st ed., 1968–82)