Where does “alapú” come from?

alapú (Hungarian) comes from Hungarian alap, from Hungarian ál, from Proto-Uralic ëla — below.

alapú (Hungarian): -based

Definitions

Step	Language	Word	Meaning
1	Hungarian	alap	base, foundation
2	Hungarian	ál	false, fake, sham, phoney, make-believe, bogus,...
3	Proto-Uralic	ëla	below

alapú — Etymology, Origin & Word History | Etymology Explorer