Where does “überein-” come from?

überein- (German) comes from German über, from Old High German ubari, from Proto-Germanic ubiri, from Proto-Indo-European upéri, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “überein-”, step by step

überein- traces back through two separate lines of ancestry.

via German über

StepLanguageWordMeaning
1Germanüberabove, over; about, concerning, over, at; via,...
2Old High Germanubariover
3Proto-Germanicubiriover; over, above
4Proto-Indo-Europeanupérialternative reconstruction of *upér
5Proto-Indo-Europeanupérabove; over
6Proto-Indo-Europeanupóunder, below
7Proto-Indo-Europeanh₃ewp-—

via German ein

StepLanguageWordMeaning
1Germaneinone; a, an; indicating motion into something
2Middle High Germaneinone
3Old High Germaneinone; only
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single

Words derived from “überein-”

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