English

excentric

From ex- + -centric.

Formed from ex + centric

English ex- ‘former’

English ex

Proto-Indo-European *ḱéntrom ‘pointed tool’

Proto-Hellenic *kéntron

Ancient Greek κέντρον ‘something with a sharp point: point, spike, spur’

Ancient Greek κεντρικός ‘of or belonging to a cardinal point’

Today it means

adj One-sided; having the normally central portion not in the true center.

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

Etymograph / excentric