Where does “yer fıstığı” come from?

yer fıstığı (Turkish) comes from Ottoman Turkish یر فستغی, from Ottoman Turkish فستق, from Persian فستق, from Arabic فِسْتَق, from Middle Persian pstk', from Old Persian *pistaka.

yer fıstığı (Turkish): peanut

Definitions

peanut

Ancestry of “yer fıstığı”, step by step

Step	Language	Word	Meaning
1	Ottoman Turkish	یر فستغی	peanut, the fruit of the plant Arachis hypogaea
2	Ottoman Turkish	فستق	pistachio, the nutlike fruit produced by any tree in the species Pistacia vera
3	Persian	فستق	—
4	Arabic	فِسْتَق	—
5	Middle Persian	pstk'	pistachio nut
6	Old Persian	*pistaka	—

Every word from Old Persian *pistaka →Every word from Middle Persian pstk' →Every word from Arabic فِسْتَق →