Where does “sworen” come from?

sworen (Middle English) comes from Old English sworen, from Proto-West Germanic swaran, from Proto-Germanic swaranaz, from Proto-Germanic swarjaną, from Proto-Indo-European swēr- — heavy.

Ancestry of “sworen”, step by step

StepLanguageWordMeaning
1Old Englishsworen
2Proto-West Germanicswaran
3Proto-Germanicswaranaz
4Proto-Germanicswarjanąto swear
5Proto-Indo-Europeanswēr-heavy

Words derived from “sworen

Every word from Proto-Indo-European swēr-Every word from Proto-Germanic swarjanąEvery word from Proto-Germanic swaranaz