Etymologically
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infrastructure

This is the current revision of this entry, as edited by bogdan on 16 October 2026 at 01:42. This address is a permanent link to this version.
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Pronunciation

  • IPA: UK /ˈɪn.frəˌstrʌk.tʃə/, US /ˈɪn.frəˌstrʌk.tʃɚ/[1]

Etymology

It is borrowed from French infrastructure (1875),[2][3] formed from infra- “below” and structure.[2][4]

Earliest recorded meaning

The installations that form the basis of an operation or system, originally in a military sense: 1887 in Etymonline.[2] The OED and MWU date it to 1927.[5][4][6]

Semantic evolution

Its general sense is the underlying parts of a structure.[5] It came to mean the roads, power supplies, buildings and services a society needs.[7][8] In economics it is the stock of fixed capital equipment of a country, seen as a factor in growth.[9] Infrastructural is from 1963.[5]

Timeline

  • 1875 – French infrastructure.[2]
  • 1887 – in English, military.[2]
  • 1927 – in the OED.[5][4]
  • 1963 – infrastructural.[5]

Modern meaning

Noun

  1. The basic systems and services a country or community needs, such as transport, water and power.
  2. The basic structure of an organization or system.

Word family

  • infrastructural

References

  1. ^ Jones, Daniel (2011), Cambridge English Pronouncing Dictionary, 18th ed., ed. Peter Roach, Jane Setter and John Esling, Cambridge: Cambridge University Press
  2. ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ Pearsall, Judy, ed. (1998), The New Oxford Dictionary of English, Oxford: Clarendon Press
  4. ^ a b c Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  5. ^ a b c d e Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
  6. ^ Kay, Christian; Roberts, Jane; Samuels, Michael; Wotherspoon, Irené, eds. (2009), Historical Thesaurus of the Oxford English Dictionary, Oxford: Oxford University Press; online edition (2024)
  7. ^ Soanes, Catherine; Stevenson, Angus, eds. (2004), Concise Oxford English Dictionary, 11th ed., Oxford: Oxford University Press
  8. ^ The American Heritage Dictionary of the English Language (1992), 3rd ed., Boston: Houghton Mifflin
  9. ^ Collins English Dictionary (2023), Glasgow: HarperCollins