Etymograph

English

excenter

From ex- + center.

Formed from ex- + center

Proto-Indo-European *eǵ-

Latin ex ‘out of, from’

English ex-

Proto-Indo-European *ḱéntrom ‘pointed tool’

…

Ancient Greek κέντρον ‘something with a sharp point: point’

Latin centrum

Middle French centre

Middle English center

English center

Today it means

noun The center of an excircle.

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

Etymograph / excenter