Where does “перси” come from?

перси (Russian) comes from Proto-Slavic pьrsь, from Proto-Balto-Slavic pírˀśis, from Proto-Indo-European pérḱus — chest; rib.

перси (Russian): woman’s breasts, bosom

Definitions

  1. woman’s breasts, bosom

Ancestry of “перси”, step by step

StepLanguageWordMeaning
1Proto-Slavicpьrsьchest, breast
2Proto-Balto-Slavicpírˀśischest
3Proto-Indo-Europeanpérḱuschest; rib
Every word from Proto-Indo-European pérḱus →Every word from Proto-Balto-Slavic pírˀśis →Every word from Proto-Slavic pьrsь →