köken: From Old Swedish øridh, from Old Norse aurriði, from aurr (“sandbank”) (from Proto-Germanic *auraz) + a descendant of Proto-Norse [script needed] (*-ræið-, “travel”), a more broad form of rīþa (“ride”) (from Proto-Germanic *rīdaną). -ridh has transformed into the common suffix -ing in modern Swedish, a modern analysis of the etymology would thus be ör + -ing. The reason for the name is that the…