Where does “Rundbau” come from?

Rundbau (German) comes from German Rund, from French rond, from Old French reont, from Latin retundus, from Latin rotundus, from Latin rotō, from Latin Rota, from Proto-Italic rotā — to run.

Rundbau (German): rotunda a structure or building with a round layout

Definitions

  1. rotunda a structure or building with a round layout

Ancestry of “Rundbau”, step by step

Rundbau traces back through two separate lines of ancestry.

via German Rund

StepLanguageWordMeaning
1GermanRundround
2Frenchrondround; drunk; circle
3Old Frenchreontround
4Latinretundusround
5Latinrotundusround, circular; spherical, rotund; rounded,...
6Latinrotōto turn, trend, wheel, roll, swing about, whirl, rotate; brandish
7LatinRotaan ecclesiastical appellate court in the Catholic...
8Proto-Italicrotā
9Proto-Indo-EuropeanHróth₂-eh₂
10Proto-Indo-EuropeanHreth₂-to run

via German Bau

StepLanguageWordMeaning
1GermanBaubuilding, construction; building site,...
2Middle High Germanbuilding
3Old High German
4Proto-Germanicbūąbuilding, dwelling
Every word from Proto-Indo-European Hreth₂-