Where does “ржаной” come from?

ржаной (Russian) comes from Russian рожь, from Old East Slavic ръжь, from Proto-Slavic rъžь, from Proto-Balto-Slavic *rugís — rye.

ржаной (Russian): rye

Definitions

  1. rye

Ancestry of “ржаной”, step by step

StepLanguageWordMeaning
1Russianрожьrye; stand or field of rye
2Old East Slavicръжьrye (grass; grain)
3Proto-Slavicrъžьrye
4Proto-Balto-Slavic*rugísrye
Every word from Proto-Balto-Slavic *rugís →Every word from Proto-Slavic rъžь →Every word from Old East Slavic ръжь →