English

electrofusion

From electro- + fusion.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Proto-Indo-European *ǵʰewd- ‘to pour’

…

Latin fundō ‘to pour’

Latin fusus ‘poured out, having been poured out, shed,…’

Latin fūsiōnem

Middle French fusion

Today it means

noun fusion by means of electricity

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

Etymograph / electrofusion