Where does “afoul” come from?

Afoul derives from English foul and the preposition a, which comes from English and, ultimately from Latin ad- and Latin ad meaning "to," tracing back to Proto-Indo-European h₂epo and al-.

afoul (English): In a state of collision or entanglement; In a...

Definitions

  1. In a state of collision or entanglement; In a...

Ancestry of “afoul”, step by step

StepLanguageWordMeaning
1EnglishfoulCovered with, or containing unclean matter;...
2Middle EnglishfoulenTo dirty or foul; to make or become dirty
3Old Englishfūlianto become foul; rot; decay
4Proto-GermanicfūlānąTo become foul; rot; decay
5Proto-Germanic-ānąCreates factitive verbs from adjectives, later...
6Proto-Germanic-ajaną
7Proto-Indo-European-oyétiCreates factitive verbs from adjectives
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Germanic -āną