IshLevit 64:12 :ܕܩܛܡܐ ܠܡ ܪܡܝܢ ܗܘܘ ܒܝܬ ܩܢܩܠܐ ܠܡܕܒܚܐ‏ : they would lay ash between the grating and the altar
See the entire entry for qanqel, qanqellā n.m. latticed grating