English

anticanonical

From anti- + canonical.

Proto-Indo-European *h₂ent- ‘forehead’

Proto-Indo-European *h₂énts ‘forehead’

Proto-Indo-European *h₂énti ‘opposite’

Ancient Greek ᾰ̓ντῐ́ ‘over against, opposite’

English anti-

Medieval Latin canōnicālis

Middle English canonycal

Today it means

adj Opposing or challenging a canon.

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

Etymograph / anticanonical