Etymograph

English

viaduct

Viaduct comes from Latin via ‘highway’, from Proto-Italic *wiā ‘road’, and ultimately from Proto-Indo-European *weyh₁- ‘to pursue, be strong’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*weyh₁-1‘to pursue, be strong’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*wih₁eh₂-1reconstructed
  3. Proto-Italicc. 1500–700 BCE*wiā1‘road’reconstructed
  4. Latinc. 75 BCE–200 CEvia2‘highway’
  5. Englishearliest quotation 1918viaduct2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin via
  2. 2 Wiktionary, English viaduct
  3. Earliest quotation in Wiktionary’s entry: 1918, William Babington Maxwell, Indianapolis: “[…] St. Bede's at this period of its history…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*weyh₁-Wiktionary, Latin via‘to pursue, be strong’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*wih₁eh₂-Wiktionary, Latin viareconstructed
  3. Proto-Italicc. 1500–700 BCE*wiāWiktionary, Latin via‘road’reconstructed
  4. Latinc. 75 BCE–200 CEviaWiktionary, English viaduct‘highway’
  5. Englishearliest quotation 1918viaductWiktionary, English viaduct. Earliest quotation in Wiktionary’s entry: 1918, William Babington Maxwell, Indianapolis: “[…] St. Bede's at this period of its history…”

The story

Coined in 1816, from Latin via (‘highway; road’) + English -duct, on the basis of aqueduct.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *weyh₁- ‘to pursue, be strong’

violent, virtual, violation, inevitable, virtue, vengeance, violate, avenge, vis, virtuous, venison, wer, vindication, virtuoso, ochre, vim, virile, virility, violator, inviolable, virago, 51 more

through Latin via ‘highway’

previous, obvious, via, voyage, convey, envoy, trivial, deviation, trivia, deviant, trivium, obviate, 13 more

Today it means

noun A bridge with several spans that carries rail or road traffic over a valley or other obstacles.

Sources

Sources: Wiktionary, “viaduct”; the older steps come from the Wiktionary entry for Latin via. 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 *weyh₁- / viaduct

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