English
cortex
Cortex comes from Latin cortex ‘cork, bark’, and goes back to Proto-Indo-European *(s)kort-ek-s.
- Proto-Indo-Europeanc. 4500–2500 BCE*(s)kort-ek-sreconstructed
- Latinc. 75 BCE–200 CEcortex‘cork, bark’
- Englishearliest quotation 2011same form
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*(s)kort-ek-sreconstructed
- Latinc. 75 BCE–200 CEcortex‘cork, bark’
- Englishearliest quotation 2011same form
Earliest quotation: 2011, Amie Ninh, Liberal vs. Conservative: Does the Difference Lie in the Bra: “In the study, led by Ryota Kanai of the…”
A compound of *(s)ker- ‘to cut off, sever’ + *(s)kert- ‘to cut’
Proto-Indo-European *(s)ker- ‘to cut off, sever’
Proto-Indo-European *(s)kert- ‘to cut’
Linked words
through Proto-Indo-European *(s)kort-ek-s
through Latin cortex ‘cork, bark’
Today it means
noun The outer layer of an internal organ or body structure, such as the kidney or the brain.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *(s)kort-ek-s / cortex