English

electrotransform

From electro- + transform.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Latin transformo ‘to transform’

Old French transformer

Middle French transfourmer

Middle English transformen ‘to shapeshift’

Today it means

verb To cause, or to undergo electrotransformation

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

Etymograph / electrotransform