The story
- Ancient GreekὨκεᾰνός (Ōkeănós)
- LatinŌceanus
- Old Frenchoccean
- Middle English*ocean, occean, occian, occyan
- Englishocean
- Proto-Indo-European*gerbʰ-
- Proto-Hellenic*grə́pʰō
- Ancient Greekγρᾰ́φω (grắphō)
- Ancient Greekγραφή (graphḗ)
- Englishoceanography
- English todayoceanographic
From oceanography + -ic.
Etymology from Wiktionary, CC BY-SA 4.0.