Corneal
/ˈkɔːr.ni.əl/noun
Relating to the cornea, the transparent front surface of the eye.
Did you know?The root is Latin cornu, “horn,” the same ancient source behind corner and cornucopia—linking anatomy, geometry, and the mythical “horn of plenty.”
Etymological Timeline
Proto-Indo-European
PIE
*ḱerh₂-
“Horn; the hard, projecting growth on an animal’s head”
Classical Latin
Latin
cornū
“Horn; anything horn-shaped or made of horn”
Medieval Latin
Latin
cornea
“The horny or horn-like membrane of the eye”
17th Century
New Latin
corneus
“Horny or resembling horn, used in anatomical terminology”
17th–18th Century
English
corneal
“Relating to the cornea”
Modern English
English
corneal
“Relating to the transparent front part of the eye”