"consider with disregard or slight contempt," 1590s, from dis- + esteem (v.). Perhaps modeled on Old French desestimer. Related: Disesteemed; disesteeming; disestimation.
disengagement
disentangle
disenthrall
disequilibrium
disestablish
disesteem
disfavor
disfavour
disfigure
disfigurement
disfranchise