Where does “durst” come from?

durst (Middle High German) comes from Old High German durst, from Proto-West Germanic þurstu, from Germanic *þurstuz, from Proto-Indo-European ters- — dry.

Ancestry of “durst”, step by step

StepLanguageWordMeaning
1Old High Germandurst
2Proto-West Germanicþurstuthirst
3Germanic*þurstuz
4Proto-Indo-Europeanters-dry

Words derived from “durst

Every word from Proto-Indo-European ters-Every word from Germanic *þurstuzEvery word from Proto-West Germanic þurstu