Where does “ober-” come from?

ober- (Middle High German) comes from Old High German obaro, from Old High German obar, from Proto-West Germanic obar, from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “ober-”, step by step

StepLanguageWordMeaning
1Old High Germanobaroupper
2Old High Germanobarabove
3Proto-West Germanicobarover, above
4Proto-Germanicuberover; over, above
5Proto-Indo-Europeanupérabove; over
6Proto-Indo-Europeanupóunder, below
7Proto-Indo-Europeanh₃ewp-—

Words derived from “ober-”

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Indo-European upér →