Etymograph

English

electromyogram

From electro- + myogram.

A compound of electro- + myogram

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

English electro-

Today it means

noun The record produced by an electromyograph in electromyography.

Language periods are conventional ranges, not dates for this word.

Etymograph / electromyogram