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BoyFrench

Guillaume

The French form of William, derived from Germanic elements meaning resolute and protection or helmet.

Meaning and origin

Guillaume is the French adaptation of the Germanic name William, which has been significant in French history since the Norman period.

How to pronounce Guillaume

French (France)ghee-YOM

About this entry

Drafted with the help of an AI model, then checked by a person. Last checked on 16 September 2026.

The sources behind this entry are listed in the app.