Meaning

verb move or stir about violently

verb move like a flail; thresh about

verb beat the seeds out of a grain

originEtymology tree Proto-Indo-European *terh₁-der.? Proto-Germanic *þreskaną Old English þrescan Middle English threschen English thresh From Middle English thresshen, threshen, threschen, from Old English þrescan, from Proto-Germanic *þreskaną. Compare West Frisian terskje, Dutch dorsen, Low German dörschen, German dreschen, Danish tærske, Swedish tröska, Yiddish דרעשן (dreshn). Doublet of thrash.

Etymology from Wiktionary, CC BY-SA 3.0