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…
köken: From Proto-Finnic *taimën, an extension of Proto-Finnic *taimi (“trout, salmon”). Cognates include Karelian taimen and Estonian taim. Russian тайме́нь (tajménʹ), Latvian taimiņš and dialectal Swedish tajmenlax are borrowed from Finnic. Similar-sounding words include taima (“ceiling joist”) or taimi (“sapling”), but they are not likely related.