Etymograph

English

trochal

Trochal comes from Ancient Greek τροχός ‘a wheel’, and goes back to Proto-Indo-European *dʰregʰ- ‘to run, drag, pull’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰregʰ-1‘to run, drag, pull’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰrogʰós1reconstructed
  3. Ancient Greekc. 800–300 BCEτροχός2trokhós‘a wheel’
  4. Englishtodaytrochal2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek τροχός
  2. 2 Wiktionary, English trochal

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰregʰ-Wiktionary, Ancient Greek τροχός‘to run, drag, pull’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰrogʰósWiktionary, Ancient Greek τροχόςreconstructed
  3. Ancient Greekc. 800–300 BCEτροχόςWiktionary, English trochaltrokhós‘a wheel’
  4. EnglishtodaytrochalWiktionary, English trochal

Linked words

through Proto-Indo-European *dʰregʰ- ‘to run, drag, pull’

draw, train, draft, attractive, drag, portrait, attraction, retreat, extraction, distraction, tract, draught, entreat, 52 more

Today it means

adj Resembling a wheel.

Sources

Sources: Wiktionary, “trochal”; the older steps come from the Wiktionary entry for Ancient Greek τροχός. 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 *dʰregʰ- / trochal

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