Where does “надёжно” come from?

надёжно (Russian) comes from Russian надёжный, from Proto-Slavic *nadeďьnъ — hopeful.

надёжно (Russian): reliably in a reliable manner

Definitions

  1. reliably in a reliable manner

Ancestry of “надёжно”, step by step

StepLanguageWordMeaning
1Russianнадёжныйreliable, dependable, trustworthy; firm, safe,...
2Proto-Slavic*nadeďьnъhopeful
Every word from Proto-Slavic *nadeďьnъ →Every word from Russian надёжный →