Where does “javítja” come from?

javítja (Hungarian) comes from Hungarian javít, from Hungarian jó, from Proto-Ugric jomɜ — good.

Ancestry of “javítja”, step by step

StepLanguageWordMeaning
1Hungarianjavítto improve; to fix, to correct
2Hungarianjógood good for something (can be used for)
3Proto-Ugricjomɜgood
Every word from Proto-Ugric jomɜ →Every word from Hungarian jó →Every word from Hungarian javít →