Where does “doorstromen” come from?

doorstromen (Dutch) comes from Dutch stromen, from Middle Dutch strômen, 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- — to flow; to guard; to bind, to tie together.

doorstromen (Dutch): to move on, to progress to a higher level

Definitions

  1. to move on, to progress to a higher level

Ancestry of “doorstromen”, step by step

doorstromen traces back through two separate lines of ancestry.

via Dutch stromen

StepLanguageWordMeaning
1Dutchstromento flow
2Middle Dutchstrômento stream, to flow
3Middle DutchstrôomA stream
4Old Dutchstrōm
5Proto-West Germanicstraumstream
6Proto-Germanicstraumazstream, current, river
7Proto-Indo-Europeansrowmosriver
8Proto-Indo-Europeansrew-to flow, stream
9Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

via Dutch door

StepLanguageWordMeaning
1Dutchdoorthrough; across, around; because of, due to
2Middle Dutchdōrethrough
3Old Dutchthurothrough
4Proto-Germanicþurhwthrough
5Proto-Indo-Europeantr̥h₂kʷe
6Proto-Indo-Europeanterh₂-to cross over, pass through, overcome
Every word from Proto-Indo-European ser-