Where does “Березівщина” come from?

Березівщина (Ukrainian) comes from Ukrainian Березі́вка, from Ukrainian -і́вка, from Ukrainian -ка, from Proto-Slavic -ъka, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “Березівщина”, step by step

StepLanguageWordMeaning
1UkrainianБерезі́вкаplacename of villages in number of oblasts
2Ukrainian-і́вкаforms feminine nouns; often shortenings of feminine noun phrases
3Ukrainian-ка
4Proto-Slavic-ъkaDenominal, forms diminutives; Deadjectival,...
5Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kosEvery word from Ukrainian -каEvery word from Proto-Slavic -ъka