Where does “сыр” come from?

сыр (Southern Altai) comes from Russian сыр, from Proto-Slavic syrъ, from Proto-Balto-Slavic sū́ˀras, from Proto-Indo-European súHros — sour, acidic, salty.

сыр (Southern Altai): cheese

Definitions

  1. cheese

Ancestry of “сыр”, step by step

StepLanguageWordMeaning
1Russianсырcheese; short masculine singular of сыро́й
2Proto-Slavicsyrъdamp, raw
3Proto-Balto-Slavicsū́ˀrassalty, bitter
4Proto-Indo-EuropeansúHrossour, acidic, salty
Every word from Proto-Indo-European súHros →Every word from Proto-Balto-Slavic sū́ˀras →Every word from Proto-Slavic syrъ →