The story
- 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)
- English todayelectroencephalography
From electro- + encephalo- + -graphy.
Etymology from Wiktionary, CC BY-SA 4.0.