Where does “overboost” come from?

overboost (English) comes from English over, from Middle English over, from Old English ōfer, from Proto-West Germanic obar, from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

overboost (English): To increase an engine's intake manifold pressure...

Definitions

  1. To increase an engine's intake manifold pressure...

Ancestry of “overboost”, step by step

overboost traces back through two separate lines of ancestry.

via English over

StepLanguageWordMeaning
1EnglishoverDiscontinued; ended or concluded; Thoroughly;...
2Middle Englishoverriverbank, seashore, brink
3Old Englishōferriverbank, seashore, brink, edge, margin, border
4Proto-West Germanicobarover, above
5Proto-Germanicuberover; over, above
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-

via English boost

StepLanguageWordMeaning
1EnglishboostA push from behind, as to one who is endeavoring...
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Indo-European upér