Etymograph

English

isoeccentric

Isoeccentric comes from Ancient Greek ἔκκεντρος ‘not occupying a cardinal point’, and perhaps goes back to Proto-Indo-European *ḱen-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱen-1uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ḱéntrom1‘pointed tool’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*kéntron1reconstructed
  4. Ancient Greekc. 800–300 BCEκέντρον1kéntron‘something with a sharp point: point, spike, spur’
  5. Ancient Greekc. 800–300 BCEἔκκεντρος1ékkentros‘not occupying a cardinal point’
  6. Medieval Latinmoderneccentricus1
  7. Middle Frenchc. 1400–1600excentrique1
  8. English1500–presenteccentric1
  9. Englishtodayisoeccentric1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English isoeccentric

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱen-Wiktionary, English isoeccentricuncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ḱéntromWiktionary, English isoeccentric‘pointed tool’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*kéntronWiktionary, English isoeccentricreconstructed
  4. Ancient Greekc. 800–300 BCEκέντρονWiktionary, English isoeccentrickéntron‘something with a sharp point: point, spike, spur’
  5. Ancient Greekc. 800–300 BCEἔκκεντροςWiktionary, English isoeccentricékkentros‘not occupying a cardinal point’
  6. Medieval LatinmoderneccentricusWiktionary, English isoeccentric
  7. Middle Frenchc. 1400–1600excentriqueWiktionary, English isoeccentric
  8. English1500–presenteccentricWiktionary, English isoeccentric
  9. EnglishtodayisoeccentricWiktionary, English isoeccentric

Linked words

through Proto-Hellenic *kéntron

centrale, 15 more

through Ancient Greek κέντρον ‘something with a sharp point: point, spike, spur’

center, central, centre, kendra, alcantara, concentric, cento, centrum, 16 more

Today it means

adj At the centre horizontally but eccentric vertically (or the converse)

Sources

Sources: Wiktionary, “isoeccentric”. 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 *ḱen- / isoeccentric

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