Where does “grindișoară” come from?

grindișoară (Romanian) comes from Romanian grindă, from Proto-Slavic gręda, from Polish Grad, from Proto-Slavic gradъ, from Proto-Indo-European greh₃d-.

Ancestry of “grindișoară”, step by step

StepLanguageWordMeaning
1Romaniangrindăbeam; rafter; girder
2Proto-Slavicgrędagarden bed; beam
3PolishGrad—
4Proto-Slavicgradъhail
5Proto-Indo-Europeangreh₃d-—
Every word from Proto-Indo-European greh₃d- →Every word from Proto-Slavic gradъ →Every word from Polish Grad →