Where does “Pettersson” come from?

Pettersson (Swedish) comes from Swedish son, from Old Swedish son, from Old Norse sonr, from Proto-Germanic sunuz, from Proto-Indo-European *suhnús.

Ancestry of “Pettersson”, step by step

Pettersson traces back through two separate lines of ancestry.

via Swedish son

StepLanguageWordMeaning
1Swedishsonson; someone's male child
2Old Swedishsonson
3Old Norsesonrson
4Proto-Germanicsunuzson
5Proto-Indo-European*suhnús—

via Swedish Petters

StepLanguageWordMeaning
1SwedishPetters—
Every word from Proto-Indo-European *suhnús →Every word from Proto-Germanic sunuz →Every word from Old Norse sonr →