English
exostosis
Exostosis comes from Koine Greek ἐξόστωσις ‘a diseased excrescence on the bone’, and goes back to Proto-Indo-European *h₃ésth₁.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₃ésth₁‘bone’reconstructed
- Ancient Greekc. 800–300 BCEὀστέονostéon‘bone’
- Koine Greekc. 300 BCE–600 CEἐξόστωσιςexóstōsis‘a diseased excrescence on the bone’
- Englishearliest quotation 1834exostosis
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₃ésth₁‘bone’reconstructed
- Ancient Greekc. 800–300 BCEὀστέονostéon‘bone’
- Koine Greekc. 300 BCE–600 CEἐξόστωσιςexóstōsis‘a diseased excrescence on the bone’
- Englishearliest quotation 1834exostosis
Earliest quotation: 1834, Samuel Cooper, Lectures on the Principles, Practice, & Operations of Surger: “Unquestionably, gentlemen, the bones most liable to exostosis are,…”
Linked words
through Proto-Indo-European *h₃ésth₁ ‘bone’
through Ancient Greek ὀστέον ‘bone’
Today it means
noun A benign, bony growth, often covered with cartilage, on the surface of a bone or tooth.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₃ésth₁ / exostosis