English
leukoencephalomyelitis
From leuko- + encephalomyelitis.
Formed from leuko- + encephalomyelitis
Proto-Indo-European *lewk- ‘white’
Proto-Hellenic *leukós ‘white’
Ancient Greek λευκός ‘white’
English leuko-
Today it means
noun encephalomyelitis of the white matter of the brain
Language periods are conventional ranges, not dates for this word.
Etymograph / leukoencephalomyelitis