English

electropositive

From electro- + positive.

Ancient Greek ἤλεκτρον ‘amber’

French electrum

French électro-

Proto-Indo-European *tḱey- ‘to settle’

…

Proto-Italic *pozinō

Latin pōnō ‘to place’

Latin positīvus ‘positive, settled’

Old French positif

Today it means

adj having a positive electric charge

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

Etymograph / electropositive