Where does “państewko” come from?

państewko (Polish) comes from Polish państwo, from Polish -stwo, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

Ancestry of “państewko”, step by step

StepLanguageWordMeaning
1Polishpaństwostate, country; ladies and gentlemen; Mr. and Mrs
2Polish-stwoSuffix appended to words to create a neuter noun,...
3Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
4Proto-Balto-Slavic-istwas—
Every word from Proto-Balto-Slavic -istwas →Every word from Polish -stwo →Every word from Proto-Slavic -ьstvo →