Odyssey

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late 19th century: from Odyssey.

wiktionary

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From Odyssey, from Ancient Greek Ὀδυσσεία(Odusseía, “the story of Odysseus”).

etymonline

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odyssey (n.)

c. 1600, "Odyssey," title given to one of the two great epic poems of ancient Greece, from Latin Odyssea, from Greek Odysseia, the ancient name of the Homeric poem telling tales of the ten-year wanderings of Odysseus, king of Ithaca, seeking home after the fall of Troy. Figurative sense of "long, adventurous journey" is recorded by 1889.