Etymologically
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dungeon

Etymology and origin of the English word dungeon

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Formation
Borrowing
Borrowed from
Old French donjon via Middle English

Pronunciation

  • IPA: /ˈdʌn.d͡ʒən/[1]

Etymology

It is inherited from Middle English dongeon, donjon,[2][3][4] borrowed from Old French donjon (“great tower of a castle, keep”),[3][5][6][4] from Vulgar Latin *domniō (“keep, mastery; lord's tower”),[3][2][4] from Late Latin dominium,[5][6] from Latin dominus “lord, master”.[3][2][5][6] The American Heritage Dictionary mentions another possible source, a Germanic word related to dung meaning “an underground house built of dung”.[3]

Earliest recorded meaning

The great tower or keep of a castle (before 1325 per Barnhart, c. 1300 per Etymonline).[5][6] The OED's first quotation for this sense is from 1375.[7]

Semantic evolution

The tower was probably named for its commanding position;[6] from the keep, the word passed to the prison cell beneath it and so to any dark, strong, often underground cell (before 1338).[5][6][3] The original sense went with the variant spelling donjon.[5][6][7] The American Heritage Dictionary notes that the word “went down in the world” literally.[3]

Timeline

  • a1325 – the great tower of a castle.[5]
  • a1338 – a strong close cell.[5]
  • 1615 – verb, to imprison in a dungeon.[7]
  • 1773 – (Scots) a person of profound learning.[7]

Modern meaning

Noun

  1. A dark, usually underground prison or cell, as in a medieval castle.
  2. The keep of a castle; a donjon.
  3. (video games) An area full of enemies, treasure and objectives.

Verb

  1. To imprison in a dungeon.
  • donjon
  • dominion
  • dominate

References

  1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c Merriam-Webster's Collegiate Dictionary (2003), 11th ed., Springfield, Mass.: Merriam-Webster
  3. ^ a b c d e f g The American Heritage Dictionary of the English Language (1992), 3rd ed., Boston: Houghton Mifflin
  4. ^ a b c Random House Webster's Unabridged Dictionary (1999), 2nd ed., New York: Random House
  5. ^ a b c d e f g h Barnhart, Robert K., ed. (1995), The Barnhart Concise Dictionary of Etymology, New York: HarperCollins
  6. ^ a b c d e f g Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ a b c d Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press

Related etymologies

Cite this entry

“Dungeon.” Etymologically, 15 Oct. 2026, etymologically.com/en/dungeon. Accessed 15 Oct. 2026.

Last edited on . ·