Where does “fölbont” come from?

fölbont (Hungarian) comes from Hungarian bont, from Hungarian -t, from Proto-Uralic -tt.

Ancestry of “fölbont”, step by step

StepLanguageWordMeaning
1Hungarianbontto demolish; to sever
2Hungarian-tUsed to form the accusative case; -ed, -t. Used...
3Proto-Uralic-tt—
Every word from Proto-Uralic -tt →Every word from Hungarian -t →Every word from Hungarian bont →