Where does “flashover” come from?

flashover (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-.

flashover (English): The near simultaneous ignition of all combustible...

Definitions

  1. The near simultaneous ignition of all combustible...

Ancestry of “flashover”, step by step

flashover 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 flash

StepLanguageWordMeaning
1EnglishflashTo cause to shine briefly or intermittently; To...
2Middle Englishflasshen

Words derived from “flashover

Every word from Proto-Indo-European h₃ewp-