demerit
n. US //diˈmɛɹət// UK //dˈɛməɹˌɪt// de·mer·it
From Middle English demerit, demerite, from Old French desmerite (modern French démérite) and its etymon Latin dēmeritum. By surface analysis, de- + merit.
From Latin dēmerit-, the past partipicial stem of dēmereō. By surface analysis, de- + merit.