Meaning:Resolute protector, strong-willed guardian
The boy's name Guilherme is of Portuguese origin and is a variant of the name William. It means "resolute protector" or "strong-willed guardian." It has Germanic roots, derived from the Old High German name Willahelm. Widely used in Portuguese-speaking countries such as Portugal and Brazil, the name has a long history in these regions. If you want a timeless moniker with strong Portuguese roots for your little one, Guilherme exudes strength and resolve.
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