Where does “грудник” come from?

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

грудник (Russian): suckling; nursing infant

Definitions

  1. suckling; nursing infant

Ancestry of “грудник”, 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 →