Where does “сердечно” come from?

сердечно (Russian) comes from Russian серде́чный, from Proto-Slavic *sьrdьčьnъ — heart.

сердечно (Russian): cordially, heartily

Definitions

  1. cordially, heartily

Ancestry of “сердечно”, step by step

StepLanguageWordMeaning
1Russianсерде́чныйheart
2Proto-Slavic*sьrdьčьnъheart
Every word from Proto-Slavic *sьrdьčьnъ →Every word from Russian серде́чный →