P Lv8:35 :ܘܛܪܘ ܢܛܘܪ̈ܬܗ ܕܡܪܝܐ ܘܠܐ ܬܡܘܬܘܢ‏ : observe the Lord’s commanded observances so that you do not die
See the entire entry for nṭūrā, nṭūrtā n.f. custody; observance