- a falling out of the hair.
Origin of psilosis
1835–45; < New Latin < Greek psī́lōsis literally, a stripping bare, equivalent to psīlō-, variant stem of psīloûn to strip (derivative of psīlós bare, smooth) + -sis -sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for psilosis
"loss of hair through disease," 1837, medical Latin, from Greek psilosis "a stripping of hair," from psiloun "to strip of hair," from psilos "bare" (see psilo-).
Online Etymology Dictionary, © 2010 Douglas Harper