Etymograph

English

thrash

Thrash comes from Old English þerscan ‘to thresh’, and perhaps goes back to Proto-Indo-European *terh₁- ‘to rub, turn’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*terh₁-1‘to rub, turn’uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*þreskaną1‘to thresh’reconstructed
  3. Old Englishc. 450–1150þerscan1‘to thresh’
  4. Middle Englishc. 1150–1500thrasshen1
  5. Englishearliest quotation c. 1690thrash1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English thrash
  2. Earliest quotation in Wiktionary’s entry: c. 1690, Juvenal, The Tenth Satire of Juvenal: “I rather would be Maevius, thrash for rhymes, /…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*terh₁-Wiktionary, English thrash‘to rub, turn’uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*þreskanąWiktionary, English thrash‘to thresh’reconstructed
  3. Old Englishc. 450–1150þerscanWiktionary, English thrash‘to thresh’
  4. Middle Englishc. 1150–1500thrasshenWiktionary, English thrash
  5. Englishearliest quotation c. 1690thrashWiktionary, English thrash. Earliest quotation in Wiktionary’s entry: c. 1690, Juvenal, The Tenth Satire of Juvenal: “I rather would be Maevius, thrash for rhymes, /…”

Linked words

through Proto-Indo-European *terh₁- ‘to rub, turn’

turn, tournament, throw, thread, tragic, trout, detrimental, tyrone, detriment, detour, attrition, tourney, triage, trite, termite, tribulation, detritus, tourniquet, truant, tyro, derma, 39 more

through Proto-Germanic *þreskaną ‘to thresh’

threshold, threshing, thresher

through Middle English thrasshen

thresh

Today it means

verb To beat mercilessly.

Sources

Sources: Wiktionary, “thrash”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *terh₁- / thrash

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