Where does “bad” come from?

bad (Middle English) comes from Old English bæd, from Old English biddan, from Proto-West Germanic biddjan, from Proto-Germanic bidjaną, from Proto-Indo-European bʰidʰ-, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

Ancestry of “bad”, step by step

StepLanguageWordMeaning
1Old Englishbædfirst/third-person singular preterite of biddan
2Old Englishbiddanto ask; to beg
3Proto-West Germanicbiddjanto ask, to make a request
4Proto-Germanicbidjanąto make a request; to ask; to request, ask
5Proto-Indo-Europeanbʰidʰ-to command; pot, bucket, barrel
6Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

Words derived from “bad

Every word from Proto-Indo-European bʰeydʰ-