Cortexes
/ˈkɔːr.tɛk.siːz/noun
Plural of cortex, meaning the outer layer or covering of an organ or structure, especially the brain.
Did you know?Cortex comes from Latin for “bark” or “rind,” because the brain’s outer layer was imagined like the protective skin of a tree or fruit.
Etymological Timeline
Proto-Indo-European
PIE
*sker-
“to cut, strip, or separate”
Latin
Latin
cortex
“bark, rind, shell, or outer covering”
Late Latin
Latin
corticalis
“of bark; pertaining to the outer layer”
17th Century
English
cortex
“the outer layer of an organ, especially the brain or adrenal gland”
Modern English
English
cortexes
“plural form of cortex”