Where does “радостно” come from?

радостно (Russian) comes from Russian ра́достный, from Proto-Slavic *radostьnъ — joyful.

радостно (Russian): joyfully, gladly, joyously

Definitions

  1. joyfully, gladly, joyously

Ancestry of “радостно”, step by step

StepLanguageWordMeaning
1Russianра́достныйjoyful, glad, joyous
2Proto-Slavic*radostьnъjoyful
Every word from Proto-Slavic *radostьnъ →Every word from Russian ра́достный →