English

extracanonical

From extra- + canonical.

Proto-Indo-European *h₁éǵʰs ‘out’

Proto-Indo-European *h₁eǵʰsteros

Proto-Italic *eksteros

Latin exter ‘being on the outside’

Latin extrā ‘outside, except, beyond’

Medieval Latin canōnicālis

Middle English canonycal

Today it means

adj Outside of canon.

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

Etymograph / extracanonical