Where does “petrezselyme” come from?

petrezselyme (Hungarian) comes 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 “petrezselyme”, step by step

Step	Language	Word	Meaning
1	Hungarian	petrezselyem	parsley
2	Medieval Latin	petrosilium	—
3	Latin	petroselīnum	rock parsley
4	Ancient Greek	πετροσέλινον	parsley
5	Ancient Greek	Πέτρος	Peter
6	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 →