Where does “синь” come from?

синь (Old Church Slavonic) comes from Proto-Slavic siňь — blue, bluish, glaucous; gray-blue, gray.

синь (Old Church Slavonic): dark, blackish, turbid

Definitions

  1. dark, blackish, turbid

Ancestry of “синь”, step by step

StepLanguageWordMeaning
1Proto-Slavicsiňьblue, bluish, glaucous; gray-blue, gray
Every word from Proto-Slavic siňь