Where does “Wallis” come from?

Wallis (German) comes from English Wales, from Middle English Wales, from Old English Wēalas, from Old English wealh, from Old English īeġ, from Proto-West Germanic auwju, from Proto-Germanic awjō, from Proto-Germanic agwjō — water.

Ancestry of “Wallis”, step by step

Wallis traces back through two separate lines of ancestry.

via English Wales

StepLanguageWordMeaning
1EnglishWalesThe area in which the Welsh language and culture predominated, roughly coincident with the modern country
2Middle EnglishWales
3Old EnglishWēalasthe Welsh
4Old Englishwealhforeigner; Briton or Welshman; slave
5Old Englishīeġisland
6Proto-West Germanicauwjufloodplain; meadow; island
7Proto-Germanicawjōfloodplain; meadow; island
8Proto-Germanicagwjō
9Proto-Indo-Europeanh₂ékʷeh₂water

via Latin vallis

StepLanguageWordMeaning
1Latinvallisvalley, vale; hollow; dative plural of vāllum
2Proto-Indo-EuropeanwēlH-to roll, to undulate
3Proto-Indo-EuropeanwelH-to turn, to wind

Words derived from “Wallis

Every word from Proto-Indo-European h₂ékʷeh₂Every word from Proto-Germanic agwjōEvery word from Proto-Germanic awjō