TAD B3.8 R.25 :ותאמר לה שניתך לא אהוה לך אנתת כסף שנאה בראשה‏ : should she say to him: I hate you, I will not be your wife, then the divorce money is her responsibility
See the entire entry for senˀā, sen(ˀ)ēṯā/senˀəṯā n.f. hatred