English

ambipolar

From ambi- + polar.

A compound of ambi- + polar

Proto-Indo-European *h₂en- ‘on, onto’

Proto-Italic *amβō

Latin ambo ‘both’

English ambi-

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 Reacting to both positive and negative polarity.

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

Etymograph / ambipolar