leukoencephalopathy

Etymology tree
English leuko-
Proto-Indo-European *h₁én
Ancient Greek ἐν (en)
Ancient Greek ἐν- (en-)
Proto-Hellenic *kʰepʰəlā́
Ancient Greek κεφᾰλή (kephălḗ)
Ancient Greek -ος (-os)
Ancient Greek ἐγκέφᾰλος (enképhălos)der.
English encephalo-
Ancient Greek πάσχω (páskhō)der.
Ancient Greek πᾰ́θος (pắthos)
Proto-Indo-European *-yós
Proto-Italic *-ios
Old Latin -ios
Latin -ius
Latin -ia
Old French -ieder.
Middle English -ie
Middle English -y
English -y
English -pathy
English leukoencephalopathy
From leuko- + encephalo- + -pathy.