Etymograph

English

horizontal

Horizontal comes from Latin horizōn, and goes back to Ancient Greek ὁρίζων ‘horizon’.

  1. Ancient Greekc. 800–300 BCEὁρίζων1‘horizon’
  2. Latinc. 75 BCE–200 CEhorizōn2
  3. Middle Frenchc. 1400–1600horizontal2
  4. Englishearliest quotation 1667horizontal2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin horizon
  2. 2 Wiktionary, English horizontal
  3. Earliest quotation in Wiktionary’s entry: 1667, John Milton, Book I: “As when the Sun new ris'n / Looks through…”.

Lineage

  1. Ancient Greekc. 800–300 BCEὁρίζωνWiktionary, Latin horizon‘horizon’
  2. Latinc. 75 BCE–200 CEhorizōnWiktionary, English horizontal
  3. Middle Frenchc. 1400–1600horizontalWiktionary, English horizontal
  4. Englishearliest quotation 1667horizontalWiktionary, English horizontal. Earliest quotation in Wiktionary’s entry: 1667, John Milton, Book I: “As when the Sun new ris'n / Looks through…”

Every English word from Ancient Greek ὁρίζων

Today it means

adj Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.

Sources

Sources: Wiktionary, “horizontal”; the older steps come from the Wiktionary entry for Latin horizon. 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 / Ancient Greek ὁρίζων / horizontal

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