Did you possibly mean hork?
Sorry, no definitions found.
“This is the reason why horkos, or oath, is considered in the classical world as the more ancient entity, the only potential power to which the gods must submit.”
“calling God down on any one", Job, xxxi, 30, hence in margin of R.V. "adjuration", in Sept. ara, or horkos.”
Looking for tweets for horkos.