Where does “piwko” come from?

piwko (Lower Sorbian) comes from Lower Sorbian piwo, from Proto-Slavic pivo, from Proto-Indo-European peh₃- — to drink.

Ancestry of “piwko”, step by step

StepLanguageWordMeaning
1Lower Sorbianpiwobeer
2Proto-Slavicpivodrink, beer, beverage
3Proto-Indo-Europeanpeh₃-to drink
Every word from Proto-Indo-European peh₃- →Every word from Proto-Slavic pivo →Every word from Lower Sorbian piwo →