subdivision

Etymology

It is borrowed from Latin subdīvīsiō (“subordinate division”),^[2][3][4] which the OED records from the 2nd century AD and, in the sense of the act of subdividing, in Chauliac's Latin in 1363;^[2] most other dictionaries call it Late Latin.^[5][6][3][4] It is formed from sub- and dīvīsiō (“division”),^[2][3] or, as others analyse it, from subdīvīsus, the past participle of subdīvidō (“to subdivide”), with the suffix -iō.^[5][6][4] Etymonline treats it as the noun of action of subdivide,^[7] and Barnhart as an English formation from division with the prefix sub-.^[8][9] The OED compares Old French subdivision, recorded in 1314, and Spanish subdivisión.^[2]

Earliest recorded meaning

The action or process of subdividing something: about 1425, in an English translation of Guy de Chauliac's Grande Chirurgie.^[2][7] Barnhart dates the word only from 1553, in the sense of one of the parts into which something is divided,^[8][9] and Dictionary.com to 1545–55.^[6]

Semantic evolution

From the act of dividing again, the word soon came to mean a part produced by such a division (before 1450).^[2][3] Etymonline dates the sense "portion of land that has been divided" to the mid-15th century.^[7] Johnson (1755) gave both the act and "the parts distinguished by a second division", illustrating the first with a year divided into months, days and hours.^[10] From 1646 it named a subordinate class in a system of classification, later a taxonomic rank in botany;^[2][5] from 1616 it also named a subsidiary unit of an army.^[2] In North America, Australia and New Zealand it came to mean a tract of land divided into lots for sale and building:^[2][5][11] the OED's first record is Australian, from 1857,^[2] and Etymonline dates the housing-development sense to 1866.^[7] In Canada the word also names the housing development built on such land.^[11]

Timeline

• c. 1425 – the action of subdividing.^[2][7]
• before 1450 – a part of something already divided.^[2]
• 1553 – Barnhart's first date for the word.^[8][9]
• 1616 – a subsidiary division of an army.^[2]
• 1646 – a subordinate class in a classification.^[2]
• 1755 – Johnson defines the act of subdividing and the parts it produces.^[10]
• 1857 – an area of land divided into plots for sale.^[2]
• 1866 – a plot of land broken into lots for housing.^[7]

Meanings

Noun

1. The act or process of dividing something that has already been divided, or the state of being so divided.^[11][5][2]
2. A part produced by such a division; a section of a larger whole: Each county is a subdivision of the state.^[11][5][2]
3. (biology) A rank in a taxonomic system below a division.^[5][2]
4. (North America, Australia, New Zealand) A tract of land surveyed and divided into lots for sale and building.^[11][5][2]
5. (Canada) A housing development built on such a tract.^[11]

Word family

• subdivisional

Related words

• subdivide
• division
• divide
• sub-

References

1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ 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
3. ^ a b c d Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
4. ^ a b c Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
5. ^ a b c d e f g h Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
6. ^ a b c Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
7. ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
8. ^ a b c Barnhart, Robert K., ed. (1995), The Barnhart Concise Dictionary of Etymology, New York: HarperCollins
9. ^ a b c Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
10. ^ 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.
11. ^ a b c d e f Collins English Dictionary (2023), Glasgow: HarperCollins