Where does “Magúncia” come from?

Magúncia (Catalan) comes from Medieval Latin Maguntia, from Latin Mogontiacum, from Celtic unknown.

Ancestry of “Magúncia”, step by step

StepLanguageWordMeaning
1Medieval LatinMaguntia—
2LatinMogontiacum—
3Celticunknown—
Every word from Celtic unknown →Every word from Latin Mogontiacum →Every word from Medieval Latin Maguntia →