Where does “Waterson” come from?

Waterson (English) comes from English Sơn, from Middle English sone, from Old English sōna, from Proto-West Germanic sān(ō), from Proto-Germanic sēna, from Proto-Germanic *sa, from Proto-Austronesian *əsa, from Proto-Oceanic *isa.

Ancestry of “Waterson”, step by step

Waterson traces back through two separate lines of ancestry.

via English Sơn

StepLanguageWordMeaning
1EnglishSơn—
2Middle Englishsoneson; soon; Alternative form of sonne
3Old Englishsōnaimmediately, at once
4Proto-West Germanicsān(ō)immediately
5Proto-Germanicsēna—
6Proto-Germanic*sa—
7Proto-Austronesian*əsa—
8Proto-Oceanic*isa—

via English Walter

StepLanguageWordMeaning
1EnglishWalter—
2Middle EnglishWalter—
3Old Northern FrenchWaltier—
Every word from Proto-Oceanic *isa →