Where does “duśko” come from?

duśko (Polish) comes from Polish dłuzki, from Polish długi, from Old Polish długi, from Proto-Slavic dь̀lgъ, from Proto-Balto-Slavic dílˀgas, from Proto-Indo-European dl̥h₁gʰós — long.

Ancestry of “duśko”, step by step

StepLanguageWordMeaning
1Polishdłuzki—
2Polishdługilong; nominative/accusative/vocative plural of...
3Old Polishdługilong
4Proto-Slavicdь̀lgъlong
5Proto-Balto-Slavicdílˀgaslong
6Proto-Indo-Europeandl̥h₁gʰóslong
Every word from Proto-Indo-European dl̥h₁gʰós →Every word from Proto-Balto-Slavic dílˀgas →Every word from Proto-Slavic dь̀lgъ →