Where does “bisząg” come from?

bisząg (Kashubian) comes from German Böschung, from German būsch, from Middle High German būsch, from Old High German busk, from Proto-West Germanic busk, from Proto-Germanic buskaz, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “bisząg”, step by step

StepLanguageWordMeaning
1GermanBöschungembankment; vegetation, scrubs, bushes along a...
2Germanbūschbush, shrub
3Middle High Germanbūsch—
4Old High Germanbuskbush
5Proto-West Germanicbuskbush, thicket
6Proto-Germanicbuskazbush; thicket
7Proto-Indo-EuropeanbʰuH-to become, grow, appear
Every word from Proto-Indo-European bʰuH- →Every word from Proto-Germanic buskaz →Every word from Proto-West Germanic busk →