Where does “молниеносно” come from?

молниеносно (Russian) comes from Russian молниено́сный, from Russian мо́лния, from Old East Slavic мълниꙗ, from Proto-Slavic mъlnьji, from Proto-Slavic mъldnьji.

молниеносно (Russian): with lightning speed

Definitions

  1. with lightning speed

Ancestry of “молниеносно”, step by step

StepLanguageWordMeaning
1Russianмолниено́сныйlightning fast
2Russianмо́лнияlightning
3Old East Slavicмълниꙗ
4Proto-Slavicmъlnьji
5Proto-Slavicmъldnьji
Every word from Proto-Slavic mъldnьjiEvery word from Proto-Slavic mъlnьjiEvery word from Old East Slavic мълниꙗ