Where does “жировой” come from?

жировой (Russian) comes from Russian жир, from Old Russian жиръ, from Proto-Slavic žirъ — feed?, fodder?, grease?.

жировой (Russian): fat; fatty, adipose

Definitions

  1. fat; fatty, adipose

Ancestry of “жировой”, step by step

StepLanguageWordMeaning
1Russianжирfat or oil from the body of an animal; grease
2Old Russianжиръ—
3Proto-Slavicžirъfeed?, fodder?, grease?
Every word from Proto-Slavic žirъ →Every word from Old Russian жиръ →Every word from Russian жир →