IshGen 24:8 :ܣܘ̈ܦܐ ܕܐܪ̈ܒܥܬܝܗܝܢ ܦܢܝ̈ܬܐ ܕܥܠܡܐ ܠܐ ܡܬܥܡܪ̈ܢܐ ܐܢܘܢ܃ ܡܢܗܘܢ ܡ݂ܢ ܚܘܡܐ ܘܡܢܗܘܢ ܡ݂ܢ ܩܘܪܐ‏ : the extremes of the world's four directions are uninhabitable, some due to heat and some due to cold
See the entire entry for qor, qurrā n.m. cold