Where does “bolęga” come from?

bolęga (Polish) comes from Polish boleć, from Middle High German bolz, from Old High German bolz, from Proto-Germanic *bolt, from Proto-Germanic bultaz, from Proto-Indo-European bʰeld- — to knock, strike.

Ancestry of “bolęga”, step by step

StepLanguageWordMeaning
1Polishbolećto hurt; to worry, to be sad, to suffer
2Middle High Germanbolz—
3Old High Germanbolz—
4Proto-Germanic*bolt—
5Proto-Germanicbultazbolt
6Proto-Indo-Europeanbʰeld-to knock, strike
Every word from Proto-Indo-European bʰeld- →Every word from Proto-Germanic bultaz →Every word from Proto-Germanic *bolt →