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optimal

Etymology and origin of the English word optimal

History Permalink
Confidence
Established
Formation
Derivation
First attested
1890

Pronunciation

  • IPA: UK /ˈɒp.tɪ.məl/, US /ˈɑːp.tɪ.məl/[1]

Etymology

It is formed from optimum and -al,[2][3] perhaps on the model of words such as proximal;[2] the NODE derives it from Latin optimus (“best”).[4]

Earliest recorded meaning

Best or most favourable: 1890, at first a word in biology.[2][5][3]

Semantic evolution

Optimally is recorded from 1933,[5] and optimality is a later derivative.[2]

Timeline

  • 1890 – optimal.[5][2]
  • 1933 – optimally.[5]

Modern meaning

Adjective

  1. Best or most favourable; optimum.

Word family

  • optimally
  • optimality
  • superoptimal
  • suboptimal

References

  1. ^ Jones, Daniel (2011), Cambridge English Pronouncing Dictionary, 18th ed., ed. Peter Roach, Jane Setter and John Esling, Cambridge: Cambridge University Press
  2. ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  4. ^ Pearsall, Judy, ed. (1998), The New Oxford Dictionary of English, Oxford: Clarendon Press
  5. ^ a b c d Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
Cite this entry

“Optimal.” Etymologically, 17 Oct. 2026, etymologically.com/en/optimal. Accessed 17 Oct. 2026.

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