Where does “грешный” come from?

грешный (Russian) comes from Proto-Slavic grěšьnъ, from Proto-Slavic grěxъ — sin.

грешный (Russian): sinful; guilty, culpable

Definitions

  1. sinful; guilty, culpable

Ancestry of “грешный”, step by step

StepLanguageWordMeaning
1Proto-Slavicgrěšьnъwrong, erroneous
2Proto-Slavicgrěxъsin
Every word from Proto-Slavic grěxъ →Every word from Proto-Slavic grěšьnъ →
грешный — Etymology, Origin & Word History | Etymology Explorer