Where does “Arthurus” come from?

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

Ancestry of “Arthurus”, step by step

StepLanguageWordMeaning
1Welsharthbear
2Proto-Brythonicarθbear
3Proto-Celticartosbear
4Ancient Greekἄρτοςa cake or loaf of wheat bread; bread

Words derived from “Arthurus

Every word from Ancient Greek ἄρτοςEvery word from Proto-Celtic artosEvery word from Proto-Brythonic arθ