LSt.165:5 :ܟܝ ܝܕ݁ܥ ܐܢܬ ܠܟܡܐ ܓܕܕ̈ܐ ܗܘܬ݁ ܡܬܘܩܬܐ‏ : for you know how much bitterness [my rational soul] was sucking
See the entire entry for māṯōq, māṯōqā nom.ag. one that sucks