Where does “פֿײַנשטיין” come from?

פֿײַנשטיין (Yiddish) comes from Yiddish שטיין, from Old High German stein, from Proto-West Germanic stain, from Proto-Germanic stainaz, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.

Ancestry of “פֿײַנשטיין”, step by step

פֿײַנשטיין traces back through two separate lines of ancestry.

via Yiddish שטיין

StepLanguageWordMeaning
1Yiddishשטייןstone; to stand
2Old High Germansteinstone
3Proto-West Germanicstainstone
4Proto-Germanicstainazstone
5Proto-Indo-Europeansteyh₂-to stiffen
6Proto-Indo-Europeansteh₂-to stand

via Yiddish פֿײַן

StepLanguageWordMeaning
1Yiddishפֿײַןfine, pretty
2Middle High Germanfîn—
3Old Frenchfinfine, delicate
4Latinfīnisend
5Proto-Indo-Europeandʰnh₂-—
Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European steyh₂- →Every word from Proto-Germanic stainaz →