Where does “biztosabban” come from?

biztosabban (Hungarian) comes from Hungarian biztos, from Hungarian bízik, from Hungarian -t, from Proto-Uralic -tt.

Ancestry of “biztosabban”, step by step

Step	Language	Word	Meaning
1	Hungarian	biztos	safe, secure; sure, steady; sure of, certain,...
2	Hungarian	bízik	to trust
3	Hungarian	-t	Used to form the accusative case; -ed, -t. Used...
4	Proto-Uralic	-tt	—