Where does “foulmouthed” come from?

foulmouthed (English) comes from English foul, from Middle English foulen, from Old English fūlian, from Proto-Germanic fūlāną, from Proto-Germanic -āną, from Proto-Germanic -ajaną, from Proto-Indo-European -oyéti, from Proto-Indo-European -yéti — he, she.

foulmouthed (English): Alternative form of foul-mouthed

Definitions

  1. Alternative form of foul-mouthed

Ancestry of “foulmouthed”, step by step

foulmouthed traces back through two separate lines of ancestry.

via English foul

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

via English mouthed

StepLanguageWordMeaning
1EnglishmouthedHaving a specified type of mouth; simple past...
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Germanic -āną