Where does “Sternguckerin” come from?

Sternguckerin (German) comes from German Sterngucker, from German stern, from Middle High German stërne, 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 “Sternguckerin”, step by step

StepLanguageWordMeaning
1GermanSternguckerstargazer, astronomer
2Germansterna star; a small luminous dot that can be seen on the night sky
3Middle High Germanstërnestar
4Old High Germansternostar
5Proto-West Germanicsternō
6Proto-Germanicsternôstar
7Proto-Indo-Europeanh₂stḗrstar
8Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European h₂eHs-Every word from Proto-Indo-European h₂stḗrEvery word from Proto-Germanic sternô