Where does “piron” come from?

piron (Ladino) comes from Greek πιρούνι, from Koine Greek περόνιον, from Ancient Greek περόνη, from Ancient Greek πείρω, from Proto-Hellenic *péryō.

piron (Ladino): fork

Definitions

Step	Language	Word	Meaning
1	Greek	πιρούνι	fork
2	Koine Greek	περόνιον	—
3	Ancient Greek	περόνη	pin or tongue of a buckle; buckle or brooch...
4	Ancient Greek	πείρω	I pierce, run through; I cleave through
5	Proto-Hellenic	*péryō	—