Where does “értelemszerű” come from?

értelemszerű (Hungarian) comes from Hungarian értelem, from Hungarian ért, from Hungarian -t, from Proto-Uralic -tt.

Ancestry of “értelemszerű”, step by step

Step	Language	Word	Meaning
1	Hungarian	értelem	intelligence, intellect; meaning, sense; point
2	Hungarian	ért	to understand; to mean, construe; be familiar...
3	Hungarian	-t	Used to form the accusative case; -ed, -t. Used...
4	Proto-Uralic	-tt	—

értelemszerű — Etymology, Origin & Word History | Etymology Explorer