OS MtCur7:11 :ܟܡܐ ܝܬܝܪܐܝܬ ܐܒܘܟܘܢ ܕܒܫܡܝܐ‏ : how much the more so your father who is in Heaven
See the entire entry for yattīrāˀīṯ adv. excessively