BT Ket 106a(4) :כיון דחזא בעל דיניה הכי איסתתום טענתיה‏ : when his opponent saw that, his claim was closed
See the entire entry for ṭaˁnā, ṭˁantā n.f. claim; crop

BT Ket 106a(4) :כיון דחזא בעל דיניה הכי איסתתום טענתיה‏ : when his opponent saw such a thing, his claims stopped
See the entire entry for stm vb. to stop up