portage
noun
[ ˈpɔːtɪdʒ ]
• the carrying of a boat or its cargo between two navigable waters.
• "the return journey was made much simpler by portage"
portage
verb
• carry (a boat or its cargo) between navigable waters.
• "we portaged everything here"
Origin:
late Middle English: from French, from porter ‘carry’. The sense relating to carrying between navigable waters dates from the late 17th century.