Where does “Backström” come from?

Backström (Swedish) comes from Swedish ström, from Old Swedish strömber, from Old Norse straumr, from Proto-Germanic straumaz, from Proto-Indo-European srowmos, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “Backström”, step by step

Backström traces back through two separate lines of ancestry.

via Swedish ström

StepLanguageWordMeaning
1Swedishströmcurrent, flow; the part of a fluid that moves...
2Old Swedishströmber
3Old Norsestraumra stream, a current, a race, a river; the tide
4Proto-Germanicstraumazstream, current, river
5Proto-Indo-Europeansrowmosriver
6Proto-Indo-Europeansrew-to flow, stream
7Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

via Swedish backe

StepLanguageWordMeaning
1Swedishbackeslope; a piece of ground which slopes; ground;...
2Old Norsebakkibank; ridge, bank; a mound on which the target is...
3Proto-Germanicbankôbank, embankment; a hill
Every word from Proto-Indo-European ser-Every word from Proto-Indo-European srew-Every word from Proto-Indo-European srowmos