Where does “грудной” come from?

грудной (Russian) comes from Russian грудь, from Old East Slavic грѫдь, from Proto-Slavic grǫdь, from Proto-Indo-European gʷʰrendʰ- — to crush; gnash.

грудной (Russian): breast; pectoral

Definitions

  1. breast; pectoral

Ancestry of “грудной”, step by step

StepLanguageWordMeaning
1Russianгрудьchest; breast, bosom; thorax
2Old East Slavicгрѫдь—
3Proto-Slavicgrǫdьbreast
4Proto-Indo-Europeangʷʰrendʰ-to crush; gnash
Every word from Proto-Indo-European gʷʰrendʰ- →Every word from Proto-Slavic grǫdь →Every word from Old East Slavic грѫдь →