Where does “Ostendorferinnen” come from?

Ostendorferinnen (German) comes from German Ostendorfer, from German Ostendorf, from German dorf, from Middle High German dorf, from Old High German dorf, from Proto-West Germanic þorp, from Proto-Germanic þurpą, from Proto-Indo-European treb- — settlement, dwelling; to build, dwell.

Ancestry of “Ostendorferinnen”, step by step

StepLanguageWordMeaning
1GermanOstendorferA native or resident of Ostendorf
2GermanOstendorfseveral small places in Germany
3Germandorfvillage rural habitation of size between a hamlet and a town
4Middle High Germandorfvillage (rural habitation of size between a hamlet and a town)
5Old High Germandorfvillage
6Proto-West Germanicþorpvillage, rural settlement; gathering of people;...
7Proto-Germanicþurpąvillage, rural settlement; gathering of people;...
8Proto-Indo-Europeantreb-settlement, dwelling; to build, dwell
Every word from Proto-Indo-European treb-Every word from Proto-Germanic þurpąEvery word from Proto-West Germanic þorp