Where does “uzcīsties” come from?

uzcīsties (Latvian) comes from Latvian uz, from Proto-Balto-Slavic uź — on, at; in return for.

Ancestry of “uzcīsties”, step by step

StepLanguageWordMeaning
1Latvianuzon, onto; to
2Proto-Balto-Slavicuźon, at; in return for
Every word from Proto-Balto-Slavic uź →Every word from Latvian uz →