English

acentrous

From a- + centre + -ous.

A compound of a- + centre + -ous

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

Proto-West Germanic *uʀ- ‘up, out, over’

English a-

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

…

Ancient Greek κέντρον ‘sharp point, goad’

Latin centrum ‘center’

Middle French centre

Middle English center

Today it means

adj Lacking vertebral centra.

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

Etymograph / acentrous