English
cambium
Cambium comes from Late Latin cambium ‘a change’, from Gaulish cambion ‘bent, crooked’, and perhaps ultimately from Proto-Indo-European *(s)ḱh₂mbós.
- Proto-Indo-Europeanc. 4500–2500 BCE*(s)ḱh₂mbós1uncertain
- Proto-Celticc. 1300–800 BCE*kambos1‘twisted, crooked’reconstructed
- Gaulishc. 500 BCE–500 CEcambion1‘bent, crooked’yo-stem derivative of *kambos
- Late Latinc. 200–600 CEcambium2‘a change’
- Englishearliest quotation 1863cambium2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Latin cambium
- 2 Wiktionary, English cambium
- Earliest quotation in Wiktionary’s entry: 1863, Harland Coultas: “During winter we perceive no change in the cells…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*(s)ḱh₂mbósWiktionary, Latin cambiumuncertain
- Proto-Celticc. 1300–800 BCE*kambosWiktionary, Latin cambium‘twisted, crooked’reconstructed
- Gaulishc. 500 BCE–500 CEcambionWiktionary, Latin cambium‘bent, crooked’yo-stem derivative of *kambos
- Late Latinc. 200–600 CEcambiumWiktionary, English cambium‘a change’
- Englishearliest quotation 1863cambiumWiktionary, English cambium. Earliest quotation in Wiktionary’s entry: 1863, Harland Coultas: “During winter we perceive no change in the cells…”
Linked words
through Proto-Celtic *kambos ‘twisted, crooked’
through Gaulish cambion ‘bent, crooked’
exchange, changer, changeable, 3 more
through Late Latin cambium ‘a change’
Today it means
noun A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.
Sources
Sources: Wiktionary, “cambium”; the older steps come from the Wiktionary entry for Latin cambium. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *(s)ḱh₂mbós / cambium