Where does “Պարսկահայք” come from?

Պարսկահայք (Old Armenian) comes from Old Armenian պարսիկ, 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 “Պարսկահայք”, step by step

Պարսկահայք traces back through two separate lines of ancestry.

via Old Armenian պարսիկ

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

via Old Armenian Հայք

StepLanguageWordMeaning
1Old ArmenianՀայք—
2Old Armenianհայքnominative plural of հայ; Armenians
3Old ArmenianհայArmenian
Every word from Proto-Indo-European pérḱus →Every word from Proto-Indo-Iranian párćuš →Every word from Proto-Iranian párcuš →