AphDem3.44:8 :ܣܓ̈ܝܐܢ ܐܢܝܢ ܢܛܘܪ̈ܬܗ ܕܨܘܡܐ‏ : there are many ways to observe fasting
See the entire entry for nṭūrā, nṭūrtā n.f. custody; observance