thresh
Thresh (verb) means to beat crops so the grain comes away from the straw or husks, using a flail, machinery, or animals driven over them.
Etymology
From Middle English thrasshen, thresche, threschen, threschyn, threshen, thresshen, tressyn, þreisshe, þresshe, from Old English þerscan, þrexan, from Proto-Germanic *þreskaną (“to thresh; to tread”), from Proto-Indo-European *terh₁- (“to rub, turn; to drill, pierce”). Doublet of thrash. Cognates Cognate with Dutch dorsen (“to thresh; to thrash”), German and Luxembourgish dreschen (“to thresh; to thrash”), Yiddish דרעשן (dreshn, “to thresh”), Danish tærske (“to thresh”), Faroese treskja (“to thresh”), Icelandic þreskja (“to thresh”), Norwegian Nynorsk treska, treske, treskja, treskje (“to thrash”), Swedish tröska (“to thresh”), Gothic 𐌸𐍂𐌹𐍃𐌺𐌰𐌽 (þriskan, “to thresh”), Finnish rehkiä (“to drudge; to toil”); also Welsh taradr (“auger, wimble; awl, borer; drill”), Latin terō (“to rub or triturate; to wear away or wear out, consume; to tread; to press with a mill; to pass, spend”), Greek τρίβω (trívo, “to grate; to rub”), Albanian tjerr (“to spin”), Belarusian це́рці (cjérci, “to rub; to polish; to pinch; to grind”), Bulgarian три́я (tríja, “to rub; to chafe; to grind”), Czech třít (“to rub; to spawn”), Polish tarć, treć, trzeć, trzyć (“to rub; to shred; to cut; to chafe; to crush; to sp