Where does “legpetrezselymesebb” come from?

legpetrezselymesebb (Hungarian) comes from Hungarian petrezselymesebb, from Hungarian petrezselymes, from Hungarian petrezselyem, from Medieval Latin petrosilium, from Latin petroselīnum, from Ancient Greek πετροσέλινον, from Ancient Greek Πέτρος, from Ancient Greek πέτρος — rock, stone, boulder; type of reed.

Ancestry of “legpetrezselymesebb”, step by step

Step	Language	Word	Meaning
1	Hungarian	petrezselymesebb	—
2	Hungarian	petrezselymes	parsleyed prepared with parsley
3	Hungarian	petrezselyem	parsley
4	Medieval Latin	petrosilium	—
5	Latin	petroselīnum	rock parsley
6	Ancient Greek	πετροσέλινον	parsley
7	Ancient Greek	Πέτρος	Peter
8	Ancient Greek	πέτρος	rock, stone, boulder; type of reed

Every word from Ancient Greek πέτρος →Every word from Ancient Greek Πέτρος →Every word from Ancient Greek πετροσέλινον →