Where does “swearsies” come from?

swearsies (English) comes from English swear, from Middle English sware, from Old English swaru, from Proto-Germanic swarō, from Proto-Indo-European swer- — to ache; to fester; wound; injury.

swearsies (English): The act of swearing; a promise or vow

Definitions

  1. The act of swearing; a promise or vow

Ancestry of “swearsies”, step by step

swearsies traces back through two separate lines of ancestry.

via English swear

StepLanguageWordMeaning
1EnglishswearTo take an oath, to promise; To use offensive,...
2Middle EnglishswareAlternative form of square; A response to a query...
3Old Englishswaruan oath, vow
4Proto-Germanicswarōa solemn statement or affirmation; oath; vow
5Proto-Indo-Europeanswer-to ache; to fester; wound; injury

via English sies

StepLanguageWordMeaning
1EnglishsiesExpressing disgust, disappointment, or annoyance;...
Every word from Proto-Indo-European swer-Every word from Proto-Germanic swarōEvery word from Old English swaru