Where does “sir” come from?

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

sir (Uzbek): cheese; secret

Definitions

  1. cheese; secret

Ancestry of “sir”, step by step

sir traces back through two separate lines of ancestry.

via Russian сыр

StepLanguageWordMeaning
1Russianсырcheese; short masculine singular of сыро́й
2Proto-Slavicsyrъdamp, raw
3Proto-Balto-Slavicsū́ˀrassalty, bitter
4Proto-Indo-EuropeansúHrossour, acidic, salty

via Arabic سِرّ

StepLanguageWordMeaning
1Arabicسِرّsecret
Every word from Proto-Indo-European súHros →Every word from Proto-Balto-Slavic sū́ˀras →Every word from Proto-Slavic syrъ →