English

electrocoupling

From electro- + coupling.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Latin apiō ‘to join’

…

Latin cōpulō ‘to bind or tie together, unite, join, couple’

Old French coupler

Middle English couplen ‘to marry or wed’

Middle English couplynge

Today it means

noun coupling by means of electric charge

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

Etymograph / electrocoupling