Where does “Petrăchești” come from?

Petrăchești (Romanian) comes from Romanian Petrache, from Greek Πετράκης, from Greek Πέτρος, from Ancient Greek Πέτρος, from Ancient Greek πέτρος — rock, stone, boulder; type of reed.

Ancestry of “Petrăchești”, step by step

Step	Language	Word	Meaning
1	Romanian	Petrache	—
2	Greek	Πετράκης	—
3	Greek	Πέτρος	Peter
4	Ancient Greek	Πέτρος	Peter
5	Ancient Greek	πέτρος	rock, stone, boulder; type of reed

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