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compact

Etymology and origin of the English word compact

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Compact, dense, is from Latin compāctus, put together; compact, an agreement, is from Latin compactum, from a different verb, compacīscī.[1][2][3]

Pronunciation

  • IPA: /kəmˈpækt/; /ˈkɒmˌpækt/, /kəmˈpækt/ (UK); /ˈkɑmˌpækt/, /kəmˈpækt/ (US)[4]

compact1 dense

Confidence
Established
Formation
Borrowing
First attested
before 1398
Borrowed from
Latin compactus
Ultimate origin
Proto-Indo-European (*peh₂ǵ-)

Etymology

It is Middle English, through Old French compact or directly borrowed from Latin compāctus (“concentrated”),[1][3] the past participle of compingere, to fasten together, from com-, together, and pangere, to fix, fasten (see pact),[1][3][5] from PIE Proto-Indo-European *pag- (“to fasten”).[3]

Earliest recorded meaning

Closely and firmly united, of substances: before 1398, in Trevisa's translation of Bartholomaeus.[1][3]

Semantic evolution

The verb, to consolidate, pack together, is from before 1425 (the early 15th century),[1][3] and the noun, a compacted body, from 1601.[6][5] A small case for face powder is from 1921.[1][6] A compact car is from 1960, and the compact disc from 1979.[3]

Timeline

  • before 1398 – closely packed.[1]
  • before 1425 – to pack together (verb).[1]
  • 1601 – a compacted mass (noun).[6]
  • 1921 – a powder case.[1]
  • 1960 – compact car.[3]
  • 1979 – compact disc.[3]

Modern meaning

Adjective

  1. Closely and firmly packed together; dense.
  2. Taking up little space for its kind.
  3. Brief and to the point; concise.
  4. Having a short, solid build.

Verb

  1. To press or join firmly together.
  2. To make by pressing together, or to combine.

Noun

  1. A small case with a mirror, pressed powder and a puff.
  2. A car smaller than a medium-sized one.

Word family

  • compactly
  • compactness
  • compaction
  • compactor

compact2 agreement

Confidence
Established
Formation
Borrowing
First attested
1590
Borrowed from
Latin compactum
Ultimate origin
Latin (compactum)

Etymology

It is borrowed from Latin compactum (“agreement”), the noun use of the neuter past participle of compacīscī, to come to an agreement,[1][3][2] from com-, together, and pacīscī, to covenant, contract (see pact).[1][3]

Earliest recorded meaning

A covenant or contract between two or more parties: 1591, in Shakespeare's Henry VI, Part 1, in Barnhart and the OED, the 1590s in Etymonline.[1][6][3]

Semantic evolution

In a bad sense, a confederacy or plot, it is from 1590 and obsolete.[6] Social compact and family compact are from 1750.[6] A verb, to make a compact, was used from the mid-16th to the late 17th century.[7]

Timeline

  • 1590 – a plot.[6]
  • 1591 – an agreement.[6]
  • 1750 – social compact.[6]

Modern meaning

Noun

  1. An agreement or covenant.

References

  1. ^ a b c d e f g h i j k l Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
  2. ^ a b Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
  3. ^ a b c d e f g h i j k l Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  4. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  5. ^ a b Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  6. ^ a b c d e f g h i Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
  7. ^ Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press

Related etymologies

Cite this entry

“Compact.” Etymologically, 17 Oct. 2026, etymologically.com/en/compact. Accessed 17 Oct. 2026.

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