BT Ket 85a(30) :ידענא בה דחשידא אשבועתא אפכה רבא אשכנגדה‏ : know that she is suspect regarding an oath. PN shifted it over to her legal opponent
See the entire entry for ˀpk vb. to turn around

BT Ket 85a(30) :ידענא בה דחשידא אשבועתא‏ : know that she is suspect (of falsifying) regarding an oath
See the entire entry for šḇūˁā, šḇūˁăṯā n.f. oath