Etymograph

English

tourniquet

Tourniquet comes from French tourniquet ‘revolving door or turnstile’, from tourner ‘to turn’, and ultimately from Proto-Indo-European *terh₁-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*terh₁-1‘to rub, turn’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*tórh₁nos1reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*tórnos1reconstructed
  4. Ancient Greekc. 800–300 BCEτόρνος1tórnos‘a lathe’
  5. Latinc. 75 BCE–200 CEtornus1‘lathe’
  6. Latinc. 75 BCE–200 CEtornō2as tornāre‘turn’
  7. Old Frenchc. 842–1400torner2‘to turn’
  8. Middle Frenchc. 1400–1600tourner2‘to turn (to rotate)’
  9. Frenchc. 1600–presenttourner3‘to turn’
  10. Frenchc. 1600–presenttourniquet3‘revolving door or turnstile’
  11. Englishearliest quotation 1907tourniquet3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin torno
  2. 2 Wiktionary, French tourner
  3. 3 Wiktionary, English tourniquet
  4. Earliest quotation in Wiktionary’s entry: 1907, Robert William Chambers, New York: “His forefathers had been, as a rule, professional men—physicians…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*terh₁-Wiktionary, Latin torno‘to rub, turn’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*tórh₁nosWiktionary, Latin tornoreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*tórnosWiktionary, Latin tornoreconstructed
  4. Ancient Greekc. 800–300 BCEτόρνοςWiktionary, Latin tornotórnos‘a lathe’
  5. Latinc. 75 BCE–200 CEtornusWiktionary, Latin torno‘lathe’
  6. Latinc. 75 BCE–200 CEtornōWiktionary, French tourneras tornāre‘turn’
  7. Old Frenchc. 842–1400tornerWiktionary, French tourner‘to turn’
  8. Middle Frenchc. 1400–1600tournerWiktionary, French tourner‘to turn (to rotate)’
  9. Frenchc. 1600–presenttournerWiktionary, English tourniquet‘to turn’
  10. Frenchc. 1600–presenttourniquetWiktionary, English tourniquet‘revolving door or turnstile’
  11. Englishearliest quotation 1907tourniquetWiktionary, English tourniquet. Earliest quotation in Wiktionary’s entry: 1907, Robert William Chambers, New York: “His forefathers had been, as a rule, professional men—physicians…”

Linked words

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

throw, thread, tragic, threshold, trout, detrimental, tyrone, attrition, thrash, detriment, overturn, triage, trite, termite, tribulation, detritus, truant, thresher, tyro, thresh, upturn, derma, 37 more

through Latin tornō ‘turn’

return, tournament, turner, 7 more

through Old French torner ‘to turn’

turn, 3 more

through French tourner ‘to turn’

detour, 2 more

Today it means

noun A tightly-compressed bandage used to stop bleeding by stopping the flow of blood through a large artery in a limb.

Sources

Sources: Wiktionary, “tourniquet”; the older steps come from the Wiktionary entries for Latin torno, French tourner. 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- / tourniquet