Where does “asshatness” come from?

asshatness (English) comes from English asshat, from English ass, from Middle English asse, from Old English assa, from Old English assen, from Latin asinus, from Latin acinus, from Latin acies — sharp.

asshatness (English): The quality of being an asshat

Definitions

  1. The quality of being an asshat

Ancestry of “asshatness”, step by step

asshatness traces back through two separate lines of ancestry.

via English asshat

StepLanguageWordMeaning
1EnglishasshatAn obnoxiously ignorant person; a fool
2EnglishassAny of several species of horse-like animals,...
3Middle EnglishasseAlternative form of axen
4Old Englishassaass, donkey
5Old Englishassenshe-ass
6Latinasinusa donkey, an ass; an ass, an idiot, a dolt, a...
7Latinacinusa berry, especially the grape; the seed of a...
8Latinaciessharp edge or point; battle line; battle,...
9Proto-Indo-Europeanh₂eḱ-sharp

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 Proto-Indo-European h₂eḱ-