- Confidence
- Established
- Formation
- Inherited
- First attested
- c. 725 (Beowulf)
- Inherited from
- Old English sǣ via Middle English
- Ultimate origin
- Proto-Germanic (*saiwiz)
Pronunciation
- IPA: /siː/[1]
Etymology
It is inherited from Middle English see, inherited from Old English sǣ (“sea, lake, pool”),[2][3][4] from Proto-Germanic *saiwiz,[3][5] the source also of Old Saxon sēo, Dutch zee, German See (“lake; sea”), Old Norse sær and Gothic saiws “sea, marsh”.[2][3][6] It is of unknown origin:[2][5] no cognates are found outside Germanic,[3] and Buck calls outside connections “wholly doubtful”.[2]
Earliest recorded meaning
Old English sǣ, “sea, lake”: about 725, in Beowulf.[3] The different tracts of the ocean, in the plural, are from about 825,[7] and the continuous body of salt water covering most of the earth from about 1205.[7]
Semantic evolution
Etymonline notes that the Germanic languages also have the Indo-European word represented by English mere, and that they draw no firm line between “sea” and “lake”: Gothic saiws means “lake, marsh” and marei “sea”, but Dutch zee is “sea” and meer “lake”.[2] The figurative “a great mass or quantity”, as in a sea of troubles, is from about 1200[2] or probably before 1200.[3] At sea, or all at sea, “in a state of perplexity”, is found in Blackstone (1766),[3] likening a confused person to a ship that has lost sight of land.[8] Seaboard is from 1788.[3]
Timeline
- c. 725 – sǣ, sea or lake.[3]
- c. 825 – the seas, tracts of ocean.[7]
- before 1200 – a great mass of something.[3]
- c. 1205 – the ocean.[7]
- 1766 – at sea, perplexed.[3]
- 1788 – seaboard.[3]
Modern meaning
Noun
- The continuous body of salt water covering most of the earth's surface; the ocean.
- A particular part of the ocean, or a large body of salt water partly or wholly enclosed by land: the Mediterranean Sea.
- The state of the ocean's surface: a rough sea.
- A great mass or quantity: a sea of faces.
Related words
- mere
- seaboard
- seaside
- seaman
- seashore
- seaweed
Usage notes
Hoad notes that sea-coal, from the 13th century, was originally coal that came from the sea.[5]
References
- ^ Jones, Daniel (2011), Cambridge English Pronouncing Dictionary, 18th ed., ed. Peter Roach, Jane Setter and John Esling, Cambridge: Cambridge University Press
- ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c d e f g h i j k l Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
- ^ The American Heritage Dictionary of the English Language (2000), 4th ed., Boston: Houghton Mifflin
- ^ a b c Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
- ^ Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
- ^ a b c d Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
- ^ Cresswell, Julia (2021), Oxford Dictionary of Word Origins, 3rd ed., Oxford: Oxford University Press
Related etymologies
Cite this entry
“Sea.” Etymologically, 15 Oct. 2026, etymologically.com/en/sea. Accessed 15 Oct. 2026.
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