Luis
LOO-eez
A Spanish and Portuguese form tied to the old Germanic name for a famous warrior.
Meaning
Luis is the Spanish and Portuguese form of a much older Germanic name, related to forms like Ludwig and Louis. In the excerpted etymology tradition, it is glossed as meaning "famous war" or "famous warrior," from the Germanic elements for fame and battle/war.
Origin
SpanishPortugueseGermanicmasculine
Fun fact
The same old name family appears across many languages, including Lewis, Louis, Ludwig, Luigi, and Luiz.
Confidence: mixed. Sources: History of Christian Names, A list of Christian names, their derivatives, nicknames and equivalents in several languages.