AphDiatess1990 72:16 :ܕܕܡ ܒܕܠܐ ܡܫܟܚܝܢܢ ܕܢܣܝܒܪ ܠܢܣܝܘܢܐ܂ ܟܠܗ݀ ܕܚܠܬ ܐܠܗܐ ܢܘܒܕ‏ : that lest, inasmuch as we are unable to bear the trial, we lose all fear of God
See the entire entry for dam conj. lest