Where does “geswerian” come from?

geswerian (Old English) comes from Old English swerian, from Proto-West Germanic swarjan, from Proto-Germanic swarjaną, from Proto-Indo-European swēr- — heavy.

geswerian (Old English): to swear an oath, promise; to confirm by oath

Definitions

  1. to swear an oath, promise; to confirm by oath

Ancestry of “geswerian”, step by step

StepLanguageWordMeaning
1Old Englishswerianto swear (an oath or a promise)
2Proto-West Germanicswarjanto swear
3Proto-Germanicswarjanąto swear
4Proto-Indo-Europeanswēr-heavy
Every word from Proto-Indo-European swēr- →Every word from Proto-Germanic swarjaną →Every word from Proto-West Germanic swarjan →