imprecation

/ˌɪm.pɹəˈkeɪ.ʃən/

ot noun

The act of imprecating, or invoking evil upon someone; a prayer that a curse or calamity may befall someone.
A curse.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.