English

extrapyramidal

From extra- + pyramidal.

Proto-Indo-European *h₁éǵʰs ‘out’

Proto-Indo-European *h₁eǵʰsteros

Proto-Italic *eksteros

Latin exter ‘being on the outside’

Latin extrā ‘outside, except, beyond’

Ancient Greek πυραμίς ‘pyramid’

Latin pȳramis ‘a pyramid’

Medieval Latin pȳramidālis

Middle English piramidal

Today it means

adj Of or pertaining to the neural pathways that are independent of the pyramidal tract.

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

Etymograph / extrapyramidal