Where does “over-hed” come from?

over-hed (Middle English) comes from Old English oferhēafod, from Old English ofer-, from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “over-hed”, step by step

StepLanguageWordMeaning
1Old Englishoferhēafodgenerally, in general, in every case
2Old Englishofer-used to form nouns, verbs, adjectives, adverbs...
3Proto-Germanicuberover; over, above
4Proto-Indo-Europeanupérabove; over
5Proto-Indo-Europeanupóunder, below
6Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Indo-European upér →