Where does “stërn” come from?

stërn (Middle High German) comes from Old High German sterno, from Proto-West Germanic sternō, from Proto-Germanic sternô, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

Ancestry of “stërn”, step by step

StepLanguageWordMeaning
1Old High Germansternostar
2Proto-West Germanicsternō—
3Proto-Germanicsternôstar
4Proto-Indo-Europeanh₂stḗrstar
5Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European h₂eHs- →Every word from Proto-Indo-European h₂stḗr →Every word from Proto-Germanic sternô →
stërn — Etymology, Origin & Word History | Etymology Explorer