Where does “тёмно-зелёный” come from?

тёмно-зелёный (Russian) comes from Russian тёмный, from Proto-Slavic tьmьnъ, from Proto-Slavic tьma, from Proto-Balto-Slavic timāˀ, from Proto-Indo-European tēmH- — dark.

тёмно-зелёный (Russian): dark-green

Definitions

  1. dark-green

Ancestry of “тёмно-зелёный”, step by step

тёмно-зелёный traces back through two separate lines of ancestry.

via Russian тёмный

StepLanguageWordMeaning
1Russianтёмныйdark; ignorant, uneducated; obscure, vague
2Proto-Slavictьmьnъdark
3Proto-Slavictьmadark, darkness
4Proto-Balto-Slavictimāˀdarkness
5Proto-Indo-EuropeantēmH-dark

via Russian зелёный

StepLanguageWordMeaning
1Russianзелёныйgreen; inexperienced, raw; sickly, deathly pale
2Proto-Slaviczelenъgreen
3Proto-Slaviczeltiperhaps to hurt, to sting, to inflict trauma
4Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European tēmH- →Every word from Proto-Balto-Slavic timāˀ →Every word from Proto-Slavic tьma →