Where does “dickheadedness” come from?

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

dickheadedness (English): Incivility and stupidity

Definitions

  1. Incivility and stupidity

Ancestry of “dickheadedness”, step by step

dickheadedness traces back through two separate lines of ancestry.

via English dickheaded

StepLanguageWordMeaning
1Englishdickheadedrude, inconsiderate; foolish, incompetent
2EnglishDickA male person
3EnglishdeclarationA written or oral indication of a fact, opinion,...
4Middle Englishdeclaration
5Old Frenchdeclaration
6LatindeclaratioThe act of making clear; a disclosure,...
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-