Etymograph

English

centrism

From centre + -ism.

A compound of centre + -ism

Proto-Indo-European *ḱent- ‘to prick; point’

…

Ancient Greek κέντρον ‘sharp point, goad’

Latin centrum ‘center’

Middle French centre

Middle English center

English centre

Today it means

noun Any moderate political philosophy that avoids extremes.

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

Etymograph / centrism