Etymograph

English

electroantennogram

From electro- + antennogram.

A compound of electro- + antennogram

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

English electro-

Today it means

noun a display of the electrical activity of the cells of an insect antenna, especially in response to the detection of odour

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

Etymograph / electroantennogram