Where does “فارسی” come from?

فارسی (Classical Persian) comes from Arabic فَارْسِي, from Persian پارسی, from Middle Persian pʾlsyk', from Old Persian 𐎱𐎠𐎼𐎿, from Proto-Iranian párcuš, from Proto-Indo-Iranian párćuš, from Proto-Indo-European pérḱus — chest; rib.

Ancestry of “فارسی”, step by step

StepLanguageWordMeaning
1Arabicفَارْسِي—
2PersianپارسیPersian
3Middle Persianpʾlsyk'Persian
4Old Persian𐎱𐎠𐎼𐎿a Persian
5Proto-Iranianpárcušrib
6Proto-Indo-Iranianpárćušrib
7Proto-Indo-Europeanpérḱuschest; rib

Words derived from “فارسی”

Every word from Proto-Indo-European pérḱus →Every word from Proto-Indo-Iranian párćuš →Every word from Proto-Iranian párcuš →