Where does “whiteout” come from?

whiteout (English) comes from English out, from Middle English oute, from Old English ūt, from Proto-West Germanic *ūt, from Proto-Germanic ūt, from Proto-Indo-European úd — out, outward.

whiteout (English): A heavy snowstorm; a blizzard; Any weather...

Definitions

  1. A heavy snowstorm; a blizzard; Any weather...

Ancestry of “whiteout”, step by step

whiteout traces back through two separate lines of ancestry.

via English out

StepLanguageWordMeaning
1EnglishoutAway from the inside, centre or other point of...
2Middle Englishouteout
3Old Englishūtout
4Proto-West Germanic*ūtout, outward
5Proto-Germanicūtout, outward
6Proto-Indo-Europeanúdout, outward

via English white

StepLanguageWordMeaning
1EnglishwhiteBright and colourless; reflecting equal...
2Middle Englishwhitwhite, pale, light; wearing white clothes; having...
3Old Englishhwītwhite
4Proto-West Germanichwītwhite
5Proto-Germanichwītazwhite
6Proto-Indo-Europeanḱweytosbright; shine; shine; bright

Words derived from “whiteout”

Every word from Proto-Indo-European úd →Every word from Proto-Germanic ūt →Every word from Proto-West Germanic *ūt →