English

extraneural

From extra- + neural.

Proto-Indo-European *h₁éǵʰs ‘out’

Proto-Indo-European *h₁eǵʰsteros

Proto-Italic *eksteros

Latin exter ‘being on the outside’

Latin extrā ‘outside, except, beyond’

Proto-Indo-European *snḗh₁wr̥ ‘band, sinew’

Ancient Greek νεῦρον ‘a sinew, nerve’

Today it means

adj Situated outside of a nerve

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

Etymograph / extraneural