Where does “maelstrom” come from?

maelstrom (Dutch) comes from Dutch stroom, from Middle Dutch strôom, from Old Dutch strōm, from Proto-West Germanic straum, 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 “maelstrom”, step by step

maelstrom traces back through two separate lines of ancestry.

via Dutch stroom

StepLanguageWordMeaning
1DutchstroomA flow, current or flush, as of moving water or...
2Middle DutchstrôomA stream
3Old Dutchstrōm
4Proto-West Germanicstraumstream
5Proto-Germanicstraumazstream, current, river
6Proto-Indo-Europeansrowmosriver
7Proto-Indo-Europeansrew-to flow, stream
8Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

via Dutch malen

StepLanguageWordMeaning
1Dutchmalento grind; to paint
2Middle Dutchmālento grind
3Old Dutchmalan
4Proto-West Germanicmalanto grind
5Proto-Germanicmalanąto grind
6Proto-Indo-Europeanmelh₂-to grind, to crush
7Proto-Indo-Europeanmel-soft; tender; weak; to deceive; to rub
8Proto-Indo-Europeanmey-to strengthen; to bind; to change, exchange

Words derived from “maelstrom

Every word from Proto-Indo-European ser-