Where does “فلسطین” come from?

فلسطین (Pashto) comes from Classical Persian فلسطین, from Arabic فلسطين, from Ancient Greek Παλαιστίνη, from Ancient Greek Παλαιστῑ́νη, from Hebrew פְּלֶשֶׁת, from Hebrew פ־ל־ש — migrate, invade.

Ancestry of “فلسطین”, step by step

Step	Language	Word	Meaning
1	Classical Persian	فلسطین	—
2	Arabic	فلسطين	—
3	Ancient Greek	Παλαιστίνη	Philistia and the surrounding region
4	Ancient Greek	Παλαιστῑ́νη	—
5	Hebrew	פְּלֶשֶׁת	Philistia, land of the Philistines
6	Hebrew	פ־ל־ש	migrate, invade

Every word from Hebrew פ־ל־ש →Every word from Hebrew פְּלֶשֶׁת →Every word from Ancient Greek Παλαιστῑ́νη →