English
brownie
From brown + -ie (diminutive suffix).
Formed from brown + -ie
Proto-Germanic *brūnaz
Proto-West Germanic *brūn
Old English brūn ‘brown’
Middle English broun ‘dark’
English brown
The story
For sense 7, compare with Dutch kabouter (‘a very young female member of the scout movement’) (literally "gnome").
Today it means
noun A small square piece of rich cake, usually made with chocolate.
Language periods are conventional ranges, not dates for this word.
Etymograph / brownie