execrate (v.) Look up execrate at Dictionary.com
1560s, from Latin execratus/exsecratus, past participle of execrari/exsecrari "to curse, utter a curse; hate, abhor," from ex- (see ex-) + sacrare "to devote to" (see sacred). Hence, "to devote off or away; to curse." Related: Execrated; execrating.