Where does “Iodocus” come from?

Iodocus (Medieval Latin) comes from Breton Iodoc, from Breton iudh, from Proto-Celtic yowdos — judge.

Ancestry of “Iodocus”, step by step

StepLanguageWordMeaning
1BretonIodoc—
2Bretoniudhlord
3Proto-Celticyowdosjudge

Words derived from “Iodocus”

Every word from Proto-Celtic yowdos →Every word from Breton iudh →Every word from Breton Iodoc →