English
cornea
Cornea comes from Latin cornea tela ‘horny tissue’, from cornu ‘horn’, and ultimately from Proto-Indo-European *ḱerh₂-.
- Proto-Indo-Europeanc. 4500–2500 BCE*ḱerh₂-‘horn’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*ḱorh₂ureconstructed
- Proto-Italicc. 1500–700 BCE*kornū‘horn’reconstructed
- Latinc. 75 BCE–200 CEcornu‘horn’
- Latin, derivedc. 75 BCE–200 CEcornea tela‘horny tissue’
- Englishearliest quotation 1885cornea
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*ḱerh₂-‘horn’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*ḱorh₂ureconstructed
- Proto-Italicc. 1500–700 BCE*kornū‘horn’reconstructed
- Latinc. 75 BCE–200 CEcornu‘horn’
- Latin, derivedc. 75 BCE–200 CEcornea tela‘horny tissue’
- Englishearliest quotation 1885cornea
Earliest quotation: 1885, Arthur Bolles Lee, P. Blakiston: “Or instead of treating them with the developing solution,…”
Linked words
through Proto-Indo-European *ḱerh₂- ‘horn’
cheer, hart, cerebral, crater, horn, grail, migraine, carotid, procrastinate, cerebellum, cranium, cairn, keratin, cerebrum, rother, 53 more
through Latin cornu ‘horn’
Today it means
noun The transparent layer making up the outermost front part of the eye, covering the iris, pupil, and anterior chamber.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *ḱerh₂- / cornea