Where does “creepy-ass” come from?

creepy-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.

creepy-ass (English): Very creepy

Definitions

  1. Very creepy

Ancestry of “creepy-ass”, step by step

creepy-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 creepy

StepLanguageWordMeaning
1EnglishcreepyMoving by creeping along; Producing an uneasy...
2English-yAdded to nouns and adjectives to form adjectives...
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European h₂eḱ-