Where does “legbarbárabb” come from?

legbarbárabb (Hungarian) comes from Hungarian barbárabb, from Hungarian barbár, from German Barbar, from Latin barbarus, from Ancient Greek βάρβαρος, from Proto-Indo-European balb-.

Ancestry of “legbarbárabb”, step by step

Step	Language	Word	Meaning
1	Hungarian	barbárabb	—
2	Hungarian	barbár	barbarian, barbaric; barbarian
3	German	Barbar	barbarian
4	Latin	barbarus	foreign; savage; uncivilized
5	Ancient Greek	βάρβαρος	non-Greek-speaking, foreign; barbaric, brutal,...
6	Proto-Indo-European	balb-	—

Every word from Proto-Indo-European balb- →Every word from Ancient Greek βάρβαρος →Every word from Latin barbarus →