Where does “Arthurianism” come from?

Arthurianism (English) comes from English Arthurian, from English Arthur, from Middle English Arthure, from Latin Arthurus, from Welsh arth, from Proto-Brythonic arθ, from Proto-Celtic artos, from Ancient Greek ἄρτος — a cake or loaf of wheat bread; bread.

Arthurianism (English): The use of Arthurian legend in literature,...

Definitions

  1. The use of Arthurian legend in literature,...

Ancestry of “Arthurianism”, step by step

Arthurianism traces back through two separate lines of ancestry.

via English Arthurian

StepLanguageWordMeaning
1EnglishArthurianOf or pertaining to the legend of Arthur, king of...
2EnglishArthurGuinness stout
3Middle EnglishArthure
4LatinArthurus
5Welsharthbear
6Proto-Brythonicarθbear
7Proto-Celticartosbear
8Ancient Greekἄρτοςa cake or loaf of wheat bread; bread

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Ancient Greek ἄρτοςEvery word from Proto-Celtic artosEvery word from Proto-Brythonic arθ