From Oslo, for instance (5)
I believe the answer is:
norse
(Other definitions for norse that I've seen before include "Of old Scandinavia" , "Native to Norway" , "Northern European" , "Relating to ancient Scandinavian" , "Viking" .)
I believe the answer is:
norse
(Other definitions for norse that I've seen before include "Of old Scandinavia" , "Native to Norway" , "Northern European" , "Relating to ancient Scandinavian" , "Viking" .)