Where does “addlebrained” come from?

addlebrained (English) comes from English brained, from English brain, from Middle English brayn, from Old English bræġn, from Proto-West Germanic *bragn, from Proto-Germanic bragną, from Proto-Indo-European mregʰnom, from Proto-Indo-European men- — to think, mind; spiritual activity; to stay,...

Ancestry of “addlebrained”, step by step

addlebrained traces back through two separate lines of ancestry.

via English brained

StepLanguageWordMeaning
1EnglishbrainedHaving a particular kind or number of brain;...
2EnglishbrainThe control center of the central nervous system...
3Middle EnglishbraynThe brain or cerebrum; the organ of thought;...
4Old Englishbræġnbrain
5Proto-West Germanic*bragnbrain
6Proto-Germanicbragnąbrain
7Proto-Indo-Europeanmregʰnomskull, brain
8Proto-Indo-Europeanmen-to think, mind; spiritual activity; to stay,...

via English addle

StepLanguageWordMeaning
1EnglishaddleTo earn, earn by labor; earn money or one's...
2Middle Englishaddlen
3Old NorseǫðlaskTo gain possession of property
4Proto-Germanic*ōþalōnąto inherit, to acquire by inheriting
Every word from Proto-Indo-European men-