The word "xavier" generally is a name that originates from the Basque language, meaning "new house" or "castle." It is commonly used as a male given name and is often associated with Saint Francis Xavier, a co-founder of the Society of Jesus (Jesuits).
The name "Xavier" is derived from the Basque place name "etxebarri," which means "new house." The name was popularized by Saint Francis Xavier in the 16th century.