Where does “overfulle” come from?

overfulle (Middle English) comes from Old English oferfull, from Proto-Germanic uberfullaz, from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “overfulle”, step by step

StepLanguageWordMeaning
1Old Englishoferfulloverfull
2Proto-Germanicuberfullazoverly full, full to overflowing
3Proto-Germanicuberover; over, above
4Proto-Indo-Europeanupérabove; over
5Proto-Indo-Europeanupóunder, below
6Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →