Where does “особенно” come from?

особенно (Russian) comes from Russian осо́бенный, from Proto-Slavic *osobьnъ.

особенно (Russian): especially

Definitions

  1. especially

Ancestry of “особенно”, step by step

StepLanguageWordMeaning
1Russianосо́бенныйspecial (unique)
2Proto-Slavic*osobьnъ
Every word from Proto-Slavic *osobьnъEvery word from Russian осо́бенный