Etymograph

English

vertical

Vertical comes from Late Latin verticālis ‘located over the head, vertically above’, from Latin vertō ‘to turn around, turn about’, and ultimately from Proto-Indo-European *wert-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wert-1‘to turn, to rotate, spin’reconstructed
  2. Proto-Italicc. 1500–700 BCE*wertō1‘to turn’reconstructed
  3. Latinc. 75 BCE–200 CEvertō2‘to turn around, turn about’
  4. Latinc. 75 BCE–200 CEvertex3as verticis‘vortex, crown of the head (genitive)’
  5. Late Latinc. 200–600 CEverticālis4‘located over the head, vertically above’
  6. Middle Frenchc. 1400–1600vertical4
  7. Englishearliest quotation 2010vertical4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin verto
  2. 2 Wiktionary, Latin vertex
  3. 3 Wiktionary, Latin verticalis
  4. 4 Wiktionary, English vertical
  5. Earliest quotation in Wiktionary’s entry: 2010, Joseph Tartakoff, What search verticals will Google target next?: “As Barclay Capital's Douglas Anmuth wrote in a report…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wert-Wiktionary, Latin verto‘to turn, to rotate, spin’reconstructed
  2. Proto-Italicc. 1500–700 BCE*wertōWiktionary, Latin verto‘to turn’reconstructed
  3. Latinc. 75 BCE–200 CEvertōWiktionary, Latin vertex‘to turn around, turn about’
  4. Latinc. 75 BCE–200 CEvertexWiktionary, Latin verticalisas verticis‘vortex, crown of the head (genitive)’
  5. Late Latinc. 200–600 CEverticālisWiktionary, English vertical‘located over the head, vertically above’
  6. Middle Frenchc. 1400–1600verticalWiktionary, English vertical
  7. Englishearliest quotation 2010verticalWiktionary, English vertical. Earliest quotation in Wiktionary’s entry: 2010, Joseph Tartakoff, What search verticals will Google target next?: “As Barclay Capital's Douglas Anmuth wrote in a report…”

Linked words

through Proto-Indo-European *wert- ‘to turn, to rotate, spin’

word, worth, weird, ridiculous, universe, ridicule, derision, wurst, deride, invert, derisive, extraversion, 57 more

through Proto-Italic *wertō ‘to turn’

adverse, diversion, inverse, transverse, inversion, aversion, perverse, averse, perversion, reversion, 40 more

through Latin vertō ‘to turn around, turn about’

university, version, divorce, conversation, diversity, versus, diverse, verse, advertisement, versatile, adversity, convertible, advert, divert, revert, pervert, diversification, vertebrate, avert, introvert, subvert, verso, vertebra, perversity, evert, 49 more

through Latin vertex ‘vortex, crown of the head (genitive)’

vortex, vertex, 2 more

Today it means

adj Standing, pointing, or moving straight up or down; parallel to the local direction of gravity; along the direction of a plumb line; perpendicular to something horizontal.

Sources

Sources: Wiktionary, “vertical”; the older steps come from the Wiktionary entries for Latin verto, Latin vertex, Latin verticalis. 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 *wert- / vertical

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