Where does “greywater” come from?

greywater (English) comes from English water, from Middle English water, from Old English wæter, from Proto-West Germanic watar, from Proto-Germanic watōr, from Proto-Indo-European wódr̥, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

greywater (English): Alternative spelling of gray water

Definitions

  1. Alternative spelling of gray water

Ancestry of “greywater”, step by step

greywater traces back through two separate lines of ancestry.

via English water

StepLanguageWordMeaning
1EnglishwaterA substance found at room temperature and...
2Middle Englishwaterwater; water vapour, condensation; lake, pond,...
3Old Englishwæterwater
4Proto-West Germanicwatarwater
5Proto-Germanicwatōrwater
6Proto-Indo-Europeanwódr̥water
7Proto-Indo-Europeanwed-water
8Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via English Grey

StepLanguageWordMeaning
1EnglishGreyA member of the Royal Scots Greys, a cavalry...
2Middle Englishgreygrey, dull, drab; glinting, glistening; grey
3Old Englishgrǣġ
4Proto-West Germanic*grāugrey
5Proto-Germanicgrēwazgrey
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European wey-Every word from Proto-Indo-European wed-Every word from Proto-Indo-European wódr̥