Where does “dickbrain” come from?

dickbrain (English) comes from English Dick, from English declaration, from Middle English declaration, from Old French declaration, from Latin declaratio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

dickbrain (English): A contemptible person, or moron

Definitions

  1. A contemptible person, or moron

Ancestry of “dickbrain”, step by step

dickbrain traces back through two separate lines of ancestry.

via English Dick

StepLanguageWordMeaning
1EnglishDickA male person
2EnglishdeclarationA written or oral indication of a fact, opinion,...
3Middle Englishdeclaration
4Old Frenchdeclaration
5LatindeclaratioThe act of making clear; a disclosure,...
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English brain

StepLanguageWordMeaning
1EnglishbrainThe control center of the central nervous system...
2Middle EnglishbraynThe brain or cerebrum; the organ of thought;...
3Old Englishbræġnbrain
4Proto-West Germanic*bragnbrain
5Proto-Germanicbragnąbrain
6Proto-Indo-Europeanmregʰnomskull, brain
7Proto-Indo-Europeanmen-to think, mind; spiritual activity; to stay,...
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-