self-reproach self-reproach /ˈsɛlf rɪˈproʊtʃ/

noun

1. The act of blaming yourself  ( self-reproach , self-reproof )
   the act of blaming yourself
   
2. A feeling of deep regret (usually for some misdeed)  ( self-reproach , compunction , remorse )
   a feeling of deep regret (usually for some misdeed)