Where does “грязевой” come from?

грязевой (Russian) comes from Russian грязь, from Old East Slavic грѣзъ, from Proto-Slavic grę̑zь — mud, dirt.

грязевой (Russian): mud, dirt

Definitions

  1. mud, dirt

Ancestry of “грязевой”, step by step

StepLanguageWordMeaning
1Russianгрязьmud; dirt; filth, smut, dirt
2Old East Slavicгрѣзъmud, dirt
3Proto-Slavicgrę̑zьmud, dirt
Every word from Proto-Slavic grę̑zь →Every word from Old East Slavic грѣзъ →Every word from Russian грязь →