English

electrofisher

From electro- + fisher.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Proto-Indo-European *peyḱ- ‘to paint, mark’

…

Proto-Germanic *fiskaz ‘fish’

Proto-Germanic *fiskārijaz

Old English fisċere

Middle English fischer ‘a fisher’

Today it means

noun The device used to produce an electric current in electrofishing.

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

Etymograph / electrofisher