Etymologically

oceanus

Etymology and origin of the Latin word oceanus

Confidence
Established
Formation
Borrowing
First attested
Ennius
Borrowed from
Ancient Greek ὠκεανός
Ultimate origin
Ancient Greek (ὠκεανός)

Pronunciation

  • IPA (Classical): [oːˈke.a.nʊs][1]
  • IPA (Ecclesiastical): [oˈt͡ʃɛː.a.nus][1]

Forms

ōceanus m (genitive ōceanī); second declension[1] A neuter Ōceanum appears in Ampelius.[2][3]

Etymology

It is borrowed from Ancient Greek ὠκεανός (ōkeanós, “the great river surrounding the earth”), a word of unknown origin.[2][1][4][5]

Earliest recorded meaning

The OLD's earliest citation for the ocean is from Ennius.[2] Köbler dates Ennius 204–169 BC.[4]

Semantic evolution

It was the ocean, which the ancients pictured as a sea flowing round the known lands, and in Cicero the Atlantic Ocean; and the god Oceanus, son of Uranus and Ge, husband of Tethys and father of the river gods, as in Accius.[2][6]

In Ecclesiastical Latin it meant ocean, sea.[7] English ocean came through Old French occean about 1300.[5]

Timeline

  • 204–169 BC – Ennius uses it.[2][4]
  • 170–c. 90 BC – Accius uses it of the god.[2][4]
  • 81–43 BC – Cicero uses it of the Atlantic.[6][4]
  • c. 1300 – English ocean is recorded.[5]

Meanings

Noun

  1. The ocean surrounding the lands; the Atlantic.[2][6]
  2. (mythology) The god Oceanus.[2]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  6. ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson

Related etymologies

Cite this entry

“Oceanus.” Etymologically, 16 Oct. 2026, etymologically.com/la/oceanus. Accessed 16 Oct. 2026.

Last edited on . ·