Where does “מײַנץ” come from?

מײַנץ (Yiddish) comes from German Mainz, from Latin Mogontiacum, from Celtic unknown.

Ancestry of “מײַנץ”, step by step

StepLanguageWordMeaning
1GermanMainz
2LatinMogontiacum
3Celticunknown
Every word from Celtic unknownEvery word from Latin MogontiacumEvery word from German Mainz