Where does “cow moose” come from?

cow moose (English) comes from English cow, from Middle English cow, from Old English cū, from Proto-West Germanic *kō, from Proto-Germanic *kōz — cow.

cow moose (English): a female moose

Definitions

  1. a female moose

Ancestry of “cow moose”, step by step

cow moose traces back through two separate lines of ancestry.

via English cow

StepLanguageWordMeaning
1EnglishcowAn adult female of the species "Bos taurus",...
2Middle EnglishcowAlternative form of cou
3Old Englishcow
4Proto-West Germanic*kōcow
5Proto-Germanic*kōzcow

via English moose

StepLanguageWordMeaning
1EnglishmooseThe largest member of the deer family (Alces americanus, sometimes included in Alces alces), of which the male has very large, palmate antlers
2Japaneseむすめ娘: girl; daughter
Every word from Proto-Germanic *kōz