Where does “kerna” come from?

kerna (Old Swedish) comes from Old Norse kirna, from Proto-Germanic kirnijǭ, from Proto-Germanic kernǭ — butter tub; creme.

Ancestry of “kerna”, step by step

StepLanguageWordMeaning
1Old Norsekirna—
2Proto-Germanickirnijǭa churn
3Proto-Germanickernǭbutter tub; creme

Words derived from “kerna”

Every word from Proto-Germanic kernǭ →Every word from Proto-Germanic kirnijǭ →Every word from Old Norse kirna →