AphDiatess1990 110:15 :ܕܠܠܐ ܗܝܡܢܘܬܐ ܕܝܗܘ̈ܕܝܐ ܢܟܣ‏ : to refute the non-belief of the Jews
See the entire entry for kss vb. to chew into pieces,; C to admonish