Where does “Luis” come from?

Luis is a Spanish name derived from Old French Louis, from Latin Ludovicus, which developed from Latin Clodovicus, ultimately tracing to Proto-Indo-European ḱlew-.

Ancestry of “Luis”, step by step

Luis traces back through two separate lines of ancestry.

via Spanish luis

StepLanguageWordMeaning
1Spanishluislouis
2EnglishlouisAny gold or silver coin issued by the French...
3FrenchlouisA louis: various gold and silver coins issued by...
4Middle FrenchLoïs
5Old FrenchLooïs
6LatinLudovīcus
7Old High GermanHlūtwīg
8Proto-West GermanicHlūdawīgmeaning famous in battle
9Proto-West Germanichlūdloud; sound
10Proto-Germanichlūdazloud; famous
11Proto-Indo-Europeanḱlewtosheard, famous
12Proto-Indo-Europeanḱlew-to hear
13Proto-Indo-Europeanḱel-to cover; to incline

via Portuguese Luís

StepLanguageWordMeaning
1PortugueseLuíslouis gold or silver coin issued by the French kings from Louis XIII to Louis XVI
2Old FrenchLouis
Every word from Proto-Indo-European ḱel-Every word from Proto-Indo-European ḱlew-Every word from Proto-Indo-European ḱlewtos
Luis — Etymology, Origin & Word History | Etymology Explorer