Where does “dorper” come from?

dorper (Middle Low German) comes from Middle Low German dorp, from Old Saxon thorp, from Proto-West Germanic þorp, from Proto-Germanic þurpą, from Proto-Indo-European treb- — settlement, dwelling; to build, dwell.

Ancestry of “dorper”, step by step

StepLanguageWordMeaning
1Middle Low Germandorpvillage
2Old Saxonthorpvillage
3Proto-West Germanicþorpvillage, rural settlement; gathering of people;...
4Proto-Germanicþurpąvillage, rural settlement; gathering of people;...
5Proto-Indo-Europeantreb-settlement, dwelling; to build, dwell
Every word from Proto-Indo-European treb-