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-ics

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Etymology and origin of the English word -ics

Confidence
Established
Formation
Derivation, Calque
First attested
1425 ethics More words from the 15th century
Ultimate origin
Ancient Greek -ικός

Pronunciation

Etymology

It is formed from English -ic + -s, after French -iques, Medieval Latin -ica and Ancient Greek -ικά (-iká),[2][3][1][4][5] the neuter plural of the adjective suffix -ικός (-ikós), meaning matters relating to something.[6][7][4][8] A model was μαθηματικά (mathēmatiká, “mathematics”).[1][5][4]

Earliest recorded meaning

It was first used in the names of treatises.[2][6] Those were named in the classical way, as with ethics.[6][9]

Semantic evolution

Etymonline describes a 16th-century revival of the classical custom for names of sciences and disciplines.[6] Subjects that had English names before about 1500 tend to be singular in form, as with arithmetic, logic, magic, music and rhetoric.[6][7] French treats most of these endings as feminine singular (dynamique, tactique), the exception being mathématiques.[8] Later it came to name a field of activity or practice, as in athletics and acrobatics, and characteristic actions, as in heroics and hysterics.[2][5][1]

Timeline

Meanings

Suffix

  1. Forming nouns, usually singular, for a science, art or study: linguistics, optics.[1][5][7]
  2. Forming nouns, usually singular, for a treatise or systematic statement: economics.[1][2]
  3. Forming nouns, usually plural, for characteristic actions or activities: gymnastics, heroics.[1][5]
  4. Forming nouns, usually plural, for characteristic qualities or operations: acoustics.[1]

Word family

Usage notes

Whether a given word takes a singular or plural verb, as with mathematics is or mathematics are, is according to Etymonline a confused question.[6]

References

  1. ^ a b c d e f g h Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  2. ^ 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
  3. ^ The American Heritage Dictionary of the English Language (online 2024), 5th ed., Boston: Houghton Mifflin Harcourt
  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 Collins English Dictionary (2023), Glasgow: HarperCollins
  6. ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ a b c Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
  8. ^ a b Weekley, Ernest (1921), An Etymological Dictionary of Modern English, London: John Murray
  9. ^ a b c d e f g h Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
Cite this entry

“-ics.” Etymologically, 6 Nov. 2026, etymologically.com/en/-ics. Accessed 6 Nov. 2026.

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