Etymologically
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milestone

This is the current revision of this entry, as edited by bogdan on 24 October 2026 at 18:42. This address is a permanent link to this version.
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Pronunciation

  • UK: /ˈmaɪlstəʊn/[1]
  • US: /ˈmaɪlˌstoʊn/[1]

Etymology

It is formed from English mile + stone.[2][3][4][5][6] The mile goes back through Old English mīl to Latin mīlia (“thousands”), the plural of mīlle (“a thousand”), and stone to Old English stān, from Proto-Germanic *stainaz.[3] The OED notes that the compound appears earlier in place names, as “Mylestone” (1371) and “Mylez Stone” (before 1547), now Milestone Wood in Sussex.[2]

Earliest recorded meaning

A stone or short pillar set up beside a road to show the distance in miles to a place: 1662, in Dugdale's History of Imbanking and Drayning.[2][7] Etymonline dates it to 1746,[3] and Dictionary.com to 1740–50.[5]

Semantic evolution

Johnson (1755) defined it simply as a stone set to mark the miles.[6] The figurative sense, a significant stage in the development of a society, a career or a person, is recorded from 1820, in a letter of John Clare.[2][8] In American project planning it took the sense of a stage to be reached by a set date, a target (1958),[2] and since 1972 the noun has also been used attributively, of an important or influential event.[2] The verb, to mark as if with milestones, dates from 1868.[2][8] In early 19th-century slang a milestone was a country bumpkin, from the stones standing beside the road,[2][9] and in naval slang it is a kind of rough sea (1946).[2]

Timeline

  • 1371 – Mylestone, as a place name.[2]
  • 1662 – a stone beside a road marking the distance in miles.[2][7]
  • 1812 – slang, a country bumpkin (obsolete).[9]
  • 1820 – figurative, a significant stage in a process or life.[2][8]
  • 1868 – verb, to mark as if with milestones.[2]
  • 1958 – a stage to be reached in a project by a set date (originally U.S.).[2]
  • 1972 – attributive, constituting an important stage.[2]

Modern meaning

Noun

  1. An important event or stage in a life, a history or a development: Her first solo exhibition was a milestone in her career.
  2. A stone or pillar beside a road that shows the distance in miles to a place; a milepost.
  3. A stage to be reached in a project by a set date.

Verb

  1. To mark with milestones, or as if with them.

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
  3. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  4. ^ Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  5. ^ a b Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
  6. ^ a b Johnson, Samuel (1755), A Dictionary of the English Language, London; 4th ed. 1773; Johnson's Dictionary Online, ed. Beth Rapp Young et al.
  7. ^ a b Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  8. ^ a b c Kay, Christian; Roberts, Jane; Samuels, Michael; Wotherspoon, Irené, eds. (2009), Historical Thesaurus of the Oxford English Dictionary, Oxford: Oxford University Press; online edition (2024)
  9. ^ a b Green, Jonathon (2010), Green's Dictionary of Slang, London: Chambers; digital ed. 2016–, https://greensdictofslang.com