The Comprehensive Aramaic Lexicon

60043.10514 :ܬܘܒ ܠܐ ܬܚܛܐ܂ ܕܠܡܐ ܢܓܕܫ ܠܟ ܕܒܝܫ ܡܢ ܩܕܡܝܐ : do not sin again lest something worse than previously should happen to you

See the entire entry for gdš vb. to happen, to occur