The story
- Proto-Indo-European*ster-
- Ancient Greekστερεός (stereós)
- Ancient Greekστερεο- (stereo-)
- Englishstereo-
- Frenchélectro-
- Ancient Greekἤλεκτρον (ḗlektron)
- Latinēlectrum
- Latinelectro-
- Englishelectro-
- Proto-Indo-European*h₁én
- Ancient Greekἐν (en)
- Ancient Greekἐν- (en-)
- Proto-Indo-European*gʰebʰ-
- Proto-Indo-European*gʰébʰōl
- Proto-Hellenic*kʰepʰəlā́
- Ancient Greekκεφᾰλή (kephălḗ)
- Ancient Greekἐγκέφᾰλος (enképhălos)
- Englishencephalo-
- Proto-Indo-European*gerbʰ-
- Proto-Hellenic*grə́pʰō
- Ancient Greekγρᾰ́φω (grắphō)
- Ancient Greekγραφή (graphḗ)
- Englishstereoelectroencephalography
- Englishstereoelectroencephalographic
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todaystereoelectroencephalographically
From stereoelectroencephalographic + -ally.
Etymology from Wiktionary, CC BY-SA 4.0.