heartwood

English

heart +‎ wood

heartwood (countable and uncountable, plural heartwoods)

The wood nearer the heart of a stem or branch, different in color from the sapwood.
Coordinate term: sapwood

A popular myth is that heartwood is stronger than sapwood.
- The staves are split from the heartwood. The heartwood is composed of dead cells; it supports the tree, but no longer has any physiological purpose. The staves must follow the grain of the wood to achieve a watertight cask, so they are split rather than sawn. — L'encyclopédie du Cognac: From log to stave

wood

Armenian: բնամիջուկ (hy) (bnamiǰuk)
Bulgarian: сърцевина на дърво f (sǎrcevina na dǎrvo)
Catalan: duramen m
Chinese:
Mandarin: 心材 (zh) (xīncái)
Dutch: kernhout n
Finnish: sydänpuu (fi), ydinpuu (fi)
French: bois de cœur (fr) m, duramen (fr) m, bois parfait (fr) m
Galician: cerne (gl) m
German: Kernholz (de) n
Ido: durameno (io)
Indonesian: inti kayu, teras (id)
Irish: croí-adhmad m
Italian: durame m, cuore del legno m
Japanese: 心材 (ja) (しんざい, shinzai)
Khmer: ក្រាក់ (km) (krak)
Korean: 심재 (simjae)
Macedonian: срце́вина f (srcévina)
Maori: taikākā, tōiki, karei, paiore
Norwegian:
Norwegian Bokmål: kjerneved m, kjerne (no) m, alved m

Norwegian Nynorsk: kjerneved m
Persian: درون‌چوب (fa) (darun-čub)
Polish: twardziel (pl) f
Portuguese: cerne (pt) m, durame m, âmago (pt) m
Romansch: lain da cor m
Russian: ядро́вая древеси́на f (jadróvaja drevesína), сердцеви́на (ru) f (serdcevína)
Spanish: duramen (es) m, cerno (es)
Swedish: kärnved (sv) c
Tagalog: lasgas, tigas
Welsh: rhuddin (cy) m

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