Literary term for a military campaign or a long, purposeful journey. Often used in historical or poetic contexts.
彼は征途につく前に家族に別れを告げた。
He said goodbye to his family before setting out on his expedition.
征途の果てに、彼らはついに目的地にたどり
At the end of their long journey, they finally reached their destination.
Compound of 征 (military campaign, subjugate) and 途 (way, route). The exact historical derivation is uncertain, but the word has been used in classical and literary Japanese to refer to the path or journey of a military expedition.