Where does “failover” come from?

failover (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-.

failover (English): An automatic switch to a secondary system on...

Definitions

  1. An automatic switch to a secondary system on...

Ancestry of “failover”, step by step

failover 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 fail

StepLanguageWordMeaning
1EnglishfailTo be unsuccessful; Not to achieve a particular...
2Middle Englishfailen—
3Anglo-Normanfailliralternative infinitive of falir; to fail, err
4Vulgar Latinfallire—
5Latinfallōto deceive, beguile, trick, cheat, delude, ensnare, disappoint
6Proto-Indo-Europeanǵʰwel-to bend; to lie, deceive
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Indo-European upér →