Where does “波斯” come from?

波斯 (Middle Chinese) comes from Old Persian 𐎱𐎠𐎼𐎿, from Proto-Iranian párcuš, from Proto-Indo-Iranian párćuš, from Proto-Indo-European pérḱus — chest; rib.

Ancestry of “波斯”, step by step

StepLanguageWordMeaning
1Old Persian𐎱𐎠𐎼𐎿a Persian
2Proto-Iranianpárcušrib
3Proto-Indo-Iranianpárćušrib
4Proto-Indo-Europeanpérḱuschest; rib

Words derived from “波斯

Every word from Proto-Indo-European pérḱus