Where does “chwoja” come from?

chwoja (Polish) comes from Proto-Slavic xvoja, from Proto-Balto-Slavic skwajāˀ, from Proto-Indo-European *skwoy-eh₂.

Ancestry of “chwoja”, step by step

StepLanguageWordMeaning
1Proto-Slavicxvojaneedles or branches of a coniferous tree
2Proto-Balto-Slavicskwajāˀneedles or branches of a coniferous tree
3Proto-Indo-European*skwoy-eh₂—
Every word from Proto-Indo-European *skwoy-eh₂ →Every word from Proto-Balto-Slavic skwajāˀ →Every word from Proto-Slavic xvoja →