Where does “الفستق” come from?

الفستق (Andalusian Arabic) comes from Arabic فُسْتُق, from Middle Persian pstk', from Old Persian *pistaka.

Ancestry of “الفستق”, step by step

StepLanguageWordMeaning
1Arabicفُسْتُقpistachio
2Middle Persianpstk'pistachio nut
3Old Persian*pistaka—
Every word from Old Persian *pistaka →Every word from Middle Persian pstk' →Every word from Arabic فُسْتُق →