Where does “mostrych” come from?

mostrych (Polish) comes from German Mostrich, from German Mostert, from Middle Low German mostert, from Middle Dutch mostaert, from Old French moustarde, from Old French moust, from Latin mustum, from Latin mustus — fly, stinging fly, gnat; moist, damp; swamp,...

Ancestry of “mostrych”, step by step

StepLanguageWordMeaning
1GermanMostrichmustard
2GermanMostertmustard
3Middle Low Germanmostert
4Middle Dutchmostaert
5Old Frenchmoustardemustard
6Old Frenchmoustmust
7Latinmustummust; unfermented or partially fermented grape...
8Latinmustusfresh, young; unfermented
9Proto-Indo-Europeanmūs-fly, stinging fly, gnat; moist, damp; swamp,...
Every word from Proto-Indo-European mūs-Every word from Latin mustusEvery word from Latin mustum