Odyssey is a Greek epic poem written by Homer about the long journey of a man named Odysseus. Anodyssey is a long and eventual journey or experience. (noun)
An intellectual or spiritual quest: an odyssey of discovery.
(ŏdˈĭ-sē)
noun
The younger of the two surviving ancient Greek epic poems, traditionally ascribed to Homer but containing much orally transmitted material composed over several centuries, and concerning the adventures and ordeals of the Greek warrior Odysseus after the fall of Troy as he struggles to return home and reestablish himself as king of Ithaca.