GregOr 41 18.1.4 :ܗ݀ܘ ܕܠܙܒܢܐ ܝܬܝܪ ܡܢ ܟܠ ܠܚ݁ܡ‏ : that which is most of all fitting for the occasion
See the entire entry for lāḥem adj. fitting