Where does “tourbe” come from?

tourbe (Middle French) comes from Old French tourbe, from Proto-West Germanic turb, from Proto-Germanic turbz, from Proto-Indo-European dorbh- — tuft, grass.

Ancestry of “tourbe”, step by step

StepLanguageWordMeaning
1Old Frenchtourbe—
2Proto-West Germanicturbturf, peat
3Proto-Germanicturbzturf, peat
4Proto-Indo-Europeandorbh-tuft, grass

Words derived from “tourbe”

Every word from Proto-Indo-European dorbh- →Every word from Proto-Germanic turbz →Every word from Proto-West Germanic turb →