Where does “łáćwie” come from?

łáćwie (Polish) comes from Polish łatwy, from Old Polish łacwy, from Proto-Slavic latvъ, from Proto-Slavic latiti.

Ancestry of “łáćwie”, step by step

StepLanguageWordMeaning
1Polishłatwyeasy, simple; easy
2Old Polishłacwy—
3Proto-Slaviclatvъ—
4Proto-Slaviclatiti—
Every word from Proto-Slavic latiti →Every word from Proto-Slavic latvъ →Every word from Old Polish łacwy →