←
Proto-Germanic *smerwą (inherited)
←
Old Swedish smior (inherited)
←
Old Swedish smiør (mention)
←
Old Swedish smør (mention)
←
Proto-Indo-European *smérus (root)
←
Proto-Indo-European *smérus (derived)
←
Old Norse smjǫr (inherited)
←
Old Norse smør (mention)
→
Alemannic German Schmër (cognate)
→
Icelandic smjör (cognate)