Where does “bought” come from?

bought (Middle English) comes from Middle English bight, from Old English byht, from Proto-Germanic buhtiz, from Proto-Germanic beuganą, from Proto-Indo-European bʰūgʰ- — to bend.

Ancestry of “bought”, step by step

bought traces back through 3 separate lines of ancestry.

via Middle English bight

StepLanguageWordMeaning
1Middle Englishbight—
2Old Englishbyhtbend, angle, corner; bay, bight; a bend
3Proto-Germanicbuhtizbend, curve, arch, angle; corner; a bend in a...
4Proto-Germanicbeuganąto bend, bow
5Proto-Indo-Europeanbʰūgʰ-to bend

via Middle English byȝt

StepLanguageWordMeaning
1Middle Englishbyȝtbend, bight

via Middle English biȝt

StepLanguageWordMeaning
1Middle Englishbiȝt—

Words derived from “bought”

Every word from Proto-Indo-European bʰūgʰ- →Every word from Proto-Germanic beuganą →Every word from Proto-Germanic buhtiz →