Where does “Aufgeher” come from?

Aufgeher (German) comes from German aufgehen, from German auf-, from German auf, from Middle High German ūf, from Old High German ūf, from Proto-Germanic upp, from Proto-Germanic ub, from Proto-Indo-European upó.

Ancestry of “Aufgeher”, step by step

StepLanguageWordMeaning
1Germanaufgehento open; to rise; to work out
2Germanauf-A separable prefix; similar to English up up-;...
3Germanaufon, upon; on, onto, up; on
4Middle High Germanūfon, upon
5Old High Germanūfup
6Proto-Germanicuppup, upwards
7Proto-Germanicubunder
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Germanic ub