English

electropolar

From electro- + polar.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Proto-Indo-European *kʷel-

…

Proto-Hellenic *pólos

Ancient Greek πόλος ‘pivot, hinge, axis, pole’

Latin polus ‘pole’

Late Latin polāris ‘of or pertaining to the poles’

English polar

Today it means

adj Possessing electrical polarity; having positive and negative charges at opposite ends

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

Etymograph / electropolar