Etymologically
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precursor

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Pronunciation

  • UK: /pɹɪˈkɜː.sə/, /ˈpɹiːˌkɜː.sə/[1]
  • US: /pɹɪˈkɜɹ.səɹ/, /ˈpɹiˌkɜɹ.səɹ/[1]

Etymology

It is inherited from Middle English precursoure,[2][3][4] borrowed from Latin praecursor (“forerunner, advance guard”),[5][2][3][6][7] and, according to the AHD and Etymonline, also borrowed from Old French precurseur,[4][3] Middle French in Barnhart,[2] recorded in French from about 1415, first of John the Baptist.[5] In post-classical Latin praecursor was often used of John the Baptist, from Tertullian in the late 2nd century on.[5] It is an agent noun from praecursus, the past participle of praecurrō (“to run ahead, precede”),[5][4][2][3] from prae- (“before”) and currō (“to run”),[4][3][8] from Proto-Indo-European *kers- (“to run”).[4][3] It is related to current, course and cursor.[2][6][9]

Earliest recorded meaning

A forerunner, a person or thing that comes before another and announces it: before 1460, in Osbern Bokenham's Lives of Saints.[5][10] Barnhart dates the form precursoure to about 1425,[2] and Etymonline, which gives the early 15th century, says it was first used of John the Baptist.[3]

Semantic evolution

From the forerunner who announces something, the word came to mean, especially, a thing that comes before another and leads to its development.[5][11] Johnson (1755) glossed it "forerunner; harbinger" and quoted Shakespeare's Tempest on lightning as the precursers of thunder.[12] From 1792 it was also used for a predecessor in an office or role, a sense now rare except as merged with the first.[5] In 1838 Daniel O'Connell founded the Precursors' Society, which campaigned in Ireland for the repeal of the Union.[5] Science added the senses of a substance from which another is formed (1884) and of a cell that gives rise to another by differentiation (1895).[5]

Timeline

  • c. 1425 – precursoure, in Barnhart.[2]
  • before 1460 – a forerunner or harbinger.[5]
  • 1792 – a predecessor in an office or role.[5]
  • 1838 – the Precursors, an Irish political society.[5]
  • 1884 – a substance from which another is formed.[5]
  • 1895 – a cell that gives rise to another.[5]

Meanings

Noun

  1. A person or thing that comes before another and often leads to or shapes its development; a forerunner: The abacus was a precursor of the calculator.[11][13][5]
  2. A person or thing that comes before and announces something to come; a harbinger.[13][5]
  3. A predecessor in an office or process.[11][13][5]
  4. (chemistry, biochemistry) A substance from which another is formed, as in a metabolic process.[11][13][5]
  5. (biology, medicine) A cell that gives rise to another by differentiation.[5]

Word family

  • precursory

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
  3. ^ a b c d e f g Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  4. ^ a b c d e The American Heritage Dictionary of the English Language (online 2024), 5th ed., Boston: Houghton Mifflin Harcourt
  5. ^ a b c d e f g h i j k l m n o p q r s Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
  6. ^ a b Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
  7. ^ Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  8. ^ Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
  9. ^ Ayto, John (2005), Word Origins: The Secret Histories of English Words from A to Z, 2nd ed., London: A & C Black
  10. ^ Kay, Christian; Roberts, Jane; Samuels, Michael; Wotherspoon, Irené, eds. (2009), Historical Thesaurus of the Oxford English Dictionary, Oxford: Oxford University Press; online edition (2024)
  11. ^ a b c d Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  12. ^ Johnson, Samuel (1755), A Dictionary of the English Language, London; 4th ed. 1773; Johnson's Dictionary Online, ed. Beth Rapp Young et al.
  13. ^ a b c d Collins English Dictionary (2023), Glasgow: HarperCollins