Where does “dăltoi” come from?

dăltoi (Romanian) comes from Romanian daltă, from Albanian daltë, from Proto-Slavic *dolto, from Proto-Balto-Slavic *dálbtan, from Proto-Indo-European dʰelbʰ- — to dig, excavate.

Ancestry of “dăltoi”, step by step

StepLanguageWordMeaning
1Romaniandaltăchisel
2Albaniandaltëchisel
3Proto-Slavic*dolto—
4Proto-Balto-Slavic*dálbtanchisel
5Proto-Indo-Europeandʰelbʰ-to dig, excavate
Every word from Proto-Indo-European dʰelbʰ- →Every word from Proto-Balto-Slavic *dálbtan →Every word from Proto-Slavic *dolto →