Where does “beswear” come from?

beswear (English) comes from English Be, from Middle English be, from Old English bēo, from Proto-West Germanic *bijā, from Proto-Germanic bijō, from Proto-Indo-European bʰī- — to hit, to pierce.

beswear (English): To swear by; swear about or regarding; swear at...

Definitions

  1. To swear by; swear about or regarding; swear at...

Ancestry of “beswear”, step by step

beswear traces back through two separate lines of ancestry.

via English Be

StepLanguageWordMeaning
1EnglishBeAs an auxiliary verb
2Middle EnglishbeAlternative form of been; Alternative form of...
3Old EnglishbēoI become, I will be, I am; bee
4Proto-West Germanic*bijābee
5Proto-Germanicbijōbee
6Proto-Indo-Europeanbʰī-to hit, to pierce

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
Every word from Proto-Indo-European bʰī- →Every word from Proto-Germanic bijō →Every word from Proto-West Germanic *bijā →