Where does “plaskaty” come from?

plaskaty (Polish) comes from Polish płaski, from Old Polish płoski, from Proto-Slavic ploskъ, from Proto-Balto-Slavic plak-ska-.

Ancestry of “plaskaty”, step by step

StepLanguageWordMeaning
1Polishpłaskiflat
2Old Polishpłoskieven, level, smooth
3Proto-Slavicploskъflat
4Proto-Balto-Slavicplak-ska-—
Every word from Proto-Balto-Slavic plak-ska- →Every word from Proto-Slavic ploskъ →Every word from Old Polish płoski →