Where does “fake-ass” come from?

fake-ass (English) comes from English ass, from Middle English asse, from Old English assa, from Old English assen, from Latin asinus, from Latin acinus, from Latin acies, from Proto-Indo-European h₂eḱ- — sharp.

fake-ass (English): Fraudulent, phony, insincere

Definitions

  1. Fraudulent, phony, insincere

Ancestry of “fake-ass”, step by step

fake-ass traces back through two separate lines of ancestry.

via English ass

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

via English fake

StepLanguageWordMeaning
1EnglishfakeNot real; false, fraudulent; Insincere; Something...
2EnglishfeakAlternative form of feague
3Germanfegento sweep, to polish
4Middle Low Germanvegen
5Old Dutchfegōnto cleanse
6Proto-West Germanicfaginōnto gladden, rejoice
7Proto-Germanicfaginōnąto gladden, rejoice
8Proto-Indo-Europeanpōḱ-
Every word from Proto-Indo-European h₂eḱ-Every word from Latin aciesEvery word from Latin acinus