riverway means the segment of a river or route on a river which is traversed by watercraft. Lexicurio rates it Sui generis — a strength score of 91 out of 100.
Etymology
From river + way.
noun
- The segment of a river or route on a river which is traversed by watercraft.“"That is the boat of Captain Hyde. What comes he this way for?"
"The river way is free to all, Joanna."”