Etymology
1. 1588, "to separate grains from wheat, etc., by beating," dial. variant of
threshen (see thresh). Sense of "beat (someone) with (or as if with) a flail" is first recorded 1606. Meaning "to make wild movements like those of a flail or whip" is attested from 1846. Type of fast heavy metal music first called by this name 1982.
2. From Middle English thrasshen, thresche, threschen, threschyn, threshen, thresshen, tressyn, þreisshe, þresshe, (whence the modern English thresh), from Old English þerscan, þrexan, from Proto-Germanic *þreskaną (“to thresh; to tread”), from Proto-Indo-European *terh₁- (“to rub, turn; to drill, pierce”).
3. Cognates
4. 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 spawn”), Russian тере́ть (terétʹ, “to rub; to polish; to grind”), Serbo-Croatian тр̏ти, tȑti (“to rub; to cause friction; to scour; to break, crush”), Slovak trieť (“to rub”), Slovene treti (“to crack open; to rub”), Ukrainian те́рти (térty, “to rub; to scrub”), Armenian թուր (tʻur, “sword”), Sogdian ܕܣܦܪܛܪ (dsprtr, “hand towel”), Hittite 𒋻𒌑𒍣 (tar-ú-zi, “to perform a round dance, to dance in twisting manner”), Tocharian A and Tocharian B tärk- (“to allow, let; to let go”), Sanskrit तर्कु (tarku, “spindle”). See: Old English '
þerscan', Proto-Germanic '
*þreskaną', Dutch '
dorsen', Danish '
tærske', Faroese '
treskja', Icelandic '
þreskja', Norwegian, nynorsk '
treska', Swedish '
tröska', Finnish with old forms '
rehkiä', Latin '
terō', Greek '
τρίβω', Bulgarian '
три́я', Czech '
třít', Russian '
тере́ть', Slovak '
trieť', Slovene '
treti', Ukrainian '
те́рти', Armenian '
թուր'.