IshIsa 3:16 :ܓܠܝܢܐ ܓܝܪ ܚܬܝܬܐܝܬ ܡܬܐܡܪ܂ ܥܠ ܗ݀ܘ ܡܕܡ ܕܡܢ ܩܕܝܡ ܟܣܐ ܗܘܐ‏ : but a revelation, properly speaking, (refers) to something that was previously hidden
See the entire entry for ḥattīṯāˀīṯ adv. precisely, accurately