Where does “темнокрылка” come from?

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

темнокрылка (Russian): grizzled skipper (Pyrgus)

Definitions

  1. grizzled skipper (Pyrgus)

Ancestry of “темнокрылка”, step by step

темнокрылка 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 крыло́

StepLanguageWordMeaning
1Russianкрыло́wing
2Proto-Slavickridlowing
3Proto-Slavic-dloForms nouns denoting a tool or instrument
4Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...
Every word from Proto-Indo-European tēmH-Every word from Proto-Balto-Slavic timāˀEvery word from Proto-Slavic tьma