Where does “wolf-grey” come from?

wolf-grey (English) comes from English Wolf, from Middle English wolf, from Old English wulf, from Proto-West Germanic wulf, from Proto-Germanic wulfaz, from Proto-Indo-European wĺ̥kʷos — wolf.

wolf-grey (English): A grey colour, as that of the fur of a wolf

Definitions

  1. A grey colour, as that of the fur of a wolf

Ancestry of “wolf-grey”, step by step

wolf-grey traces back through two separate lines of ancestry.

via English Wolf

StepLanguageWordMeaning
1EnglishWolfThe constellation Lupus
2Middle Englishwolfwolf, lupine; terrifying person
3Old Englishwulfwolf
4Proto-West Germanicwulfwolf
5Proto-Germanicwulfazwolf
6Proto-Indo-Europeanwĺ̥kʷoswolf

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 wĺ̥kʷosEvery word from Proto-Germanic wulfazEvery word from Proto-West Germanic wulf