detour
noun
[ ˈdiːtʊə ]
• a long or roundabout route that is taken to avoid something or to visit somewhere along the way.
• "he had made a detour to a cafe"
detour
verb
• take a long or roundabout route.
• "he detoured around the walls"
Origin:
mid 18th century (as a noun): from French détour ‘change of direction’, from détourner ‘turn away’.