←
Middle High German stroum (inherited)
←
Middle High German strūm (mention)
←
Middle High German strām (mention)
←
Proto-West Germanic *straum (inherited)
←
Old High German stroum (inherited)
←
Old High German strōm (mention)
←
Proto-Indo-European *srowmos (inherited)
←
Proto-Indo-European *srew- (mention)