self-reproof

noun

self-re·​proof ˌself-ri-ˈprüf 

plural self-reproofs

: harsh criticism or disapproval of oneself : self-reproach

felt self-reproof for her mistakes

That's also what made her real, and relatable, and what Falco brought so fully to the role—that gnawing sense of self-doubt, and self-reproof, which spilled over into acts of self-destruction.

—Verne Gay

also : an instance or expression of self-reproof

Alice discreetly shrouded his [Claude Monet's] 14 Cézannes to spare him agonised self-reproofs before the master whom he most admired.

—Ross King

Word History

First Known Use

circa 1631, in the meaning defined above