From the word-a-day list offered by wordsmith.org:
odium (O-dee-uhm) noun
1. Hatred accompanied by contempt.
2. A state of infamy or disgrace.
[From Latin odium (hatred), from odisse (to hate). Ultimately from Indo-European root od- (to hate) that is also the source of the words hate, annoy, noisome, and ennui.]