Xavier traces to a Basque place name usually translated as "new house," later carried into wider use through a well-known missionary who took it as a surname. The name suggests a fresh start built on solid ground -- newness paired with structure rather than instability.
Consider what things the Planets perform not by their Aspects, and observe if they do them not by their Antisions, for the Antisions have power, and are not to be enumerated amongst Aspects. - William Lilly (1602.-1681.)