Etymologically

underway

Etymology and origin of the English word underway

Confidence
Established
Formation
Compound
First attested
1743

Pronunciation

  • IPA: /ʌndəˈweɪ/ (UK); /ʌndəɹˈweɪ/ (US)[1]

Etymology

It is the phrase under way written as one word, from under and way,[2][3] perhaps after Dutch onderweg (“on the way”).[4]

Earliest recorded meaning

Of ships, having begun to move: 1749 in Etymonline, the mid-18th century in the Shorter Oxford;[2][4] Merriam-Webster dates it to 1743.[3] The one-word spelling is in the OED from 1934.[5]

Semantic evolution

Of projects and activities, begun and in progress, it is attested from 1935.[2][5]

Timeline

  • 1743 – under way (Merriam-Webster).[3]
  • 1749 – of a ship in motion.[2]
  • 1934 – underway as one word.[5]
  • 1935 – of a project in progress.[2][5]

Modern meaning

Adjective

  1. Having started and in progress: the project is well underway.
  2. Of a ship or vehicle, moving.

References

  1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b c Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  4. ^ a b Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University 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

“Underway.” Etymologically, 17 Oct. 2026, etymologically.com/en/underway. Accessed 17 Oct. 2026.

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