Where does “smør” come from?

smør (Old Swedish) comes from Old Norse smjǫr, from Proto-Germanic smerwą, from Proto-Celtic smérus, from Proto-Indo-European smérus, from Proto-Indo-European smer- — to fall into thought, remember, care for; to fall...

Ancestry of “smør”, step by step

smør traces back through two separate lines of ancestry.

via Old Norse smjǫr

StepLanguageWordMeaning
1Old Norsesmjǫr
2Proto-Germanicsmerwągrease, butter, fat
3Proto-Celticsmérusmarrow
4Proto-Indo-Europeansmérusgrease
5Proto-Indo-Europeansmer-to fall into thought, remember, care for; to fall...

via Old Norse smør

StepLanguageWordMeaning
1Old Norsesmør
Every word from Proto-Indo-European smer-Every word from Proto-Indo-European smérusEvery word from Proto-Celtic smérus