IshLevit 65:9 :ܠܝܬ ܬܪ̈ܝܢ ܟܝ̈ܢܐ ܕܢܘܪܐ ܒܥܠܡܐ‏ : there are not two kinds of fire in the world
See the entire entry for kyān, kyānā n.m. nature