Etymologically

janitor

Etymology and origin of the English word janitor

Etymology tree
inherited borrowed derived
Latin ianitor
English janitor

Pronunciation

  • IPA: /ˈd͡ʒænɪtə/ (UK); /ˈd͡ʒænɪtɚ/ (US)[1]

Etymology

It is borrowed from Latin iānitor (“doorkeeper”),[2][3][4][5][6] from iānua “door”,[2][3][4] from iānus “archway, covered passage”.[2][3][4][5][6] It is related to January and Janus, the god of gates and beginnings.[2][4]

Earliest recorded meaning

An usher in a school (1584).[7][3][4]

Semantic evolution

The word was adopted from Latin records, first in Scots,[2] and soon meant a doorkeeper or porter (about 1630).[7][3][4] In Scots use a janitor was also a minor school official whose duties included upkeep,[2] and from 1708 the word meant the caretaker of a building who looks after its cleaning and heating,[7][3][4] now the main sense.[2][5][6]

Timeline

Modern meaning

Noun

  1. A person employed to clean and maintain a building; a caretaker.
  2. (archaic) A doorkeeper; a doorman.

Word family

  • janitorial
  • Janus
  • January

References

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

Related etymologies

Cite this entry

“Janitor.” Etymologically, 11 Oct. 2026, etymologically.com/en/janitor. Accessed 11 Oct. 2026.

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