Arcus Odyssey was created in 1991.
Arcus Odyssey happened in 1991.
Arcus Argentariorum was created in 204.
Arcus-Air Logistic was created in 1973.
If you mean What is the Latin for rainbow, it is arcus pluvius, or arcus alone, Arcus is a 4th declension noun, so its plural is not "arci" but arcus.
Magnavox Odyssey² was created in 1978.
The Romans associated Arcus with Iris.
Mind Odyssey was created in 1993.
Odyssey of Iska was created in 1971.
Jubilee Odyssey was created in 2002.
Balthasar's Odyssey was created in 2000.
The Odyssey Bookshop was created in 1963.
A Species Odyssey was created in 2003.