Where does “Swansea” come from?

Swansea (Portuguese) comes from English Swansea, from Old Norse Sveinn, from Old Norse sveinn, from Proto-Germanic swainaz, from Proto-Indo-European swé — self.

Ancestry of “Swansea”, step by step

StepLanguageWordMeaning
1EnglishSwanseaVarious other places in the United States, Canada and Australia
2Old NorseSveinnboy, lad
3Old Norsesveinnboy, lad; servant, lackey
4Proto-Germanicswainazrelative; kinsman; young man; herder; herdsman,...
5Proto-Indo-Europeanswéself
Every word from Proto-Indo-European swé →Every word from Proto-Germanic swainaz →Every word from Old Norse sveinn →