Meaning

noun measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign

originEtymology tree French électro-bor. Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Latin electro-bor. English electro- Proto-Indo-European *speḱ- Proto-Indo-European *-yeti Proto-Indo-European *spéḱyeti Proto-Hellenic *sképťomai Ancient Greek σκέπτομαι (sképtomai) Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek σκοπός…

Etymology from Wiktionary, CC BY-SA 3.0