Where does “of-” come from?

of- (Old Norse) comes from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “of-”, step by step

StepLanguageWordMeaning
1Proto-Germanicuberover; over, above
2Proto-Indo-Europeanupérabove; over
3Proto-Indo-Europeanupóunder, below
4Proto-Indo-Europeanh₃ewp-—

Words derived from “of-”

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