Where does “legjártasabb” come from?

legjártasabb (Hungarian) comes from Hungarian jártasabb, from Hungarian jártas, from Hungarian járt, from Hungarian -t, from Proto-Uralic -tt.

Ancestry of “legjártasabb”, step by step

StepLanguageWordMeaning
1Hungarianjártasabb
2Hungarianjártasskilled, experienced, versed, proficient,...
3Hungarianjártthird-person singular indicative past indefinite...
4Hungarian-tUsed to form the accusative case; -ed, -t. Used...
5Proto-Uralic-tt
Every word from Proto-Uralic -ttEvery word from Hungarian -tEvery word from Hungarian járt