FMSD 13.2:6 :ܛܘܪ̈ܝܢ ܩܫ̈ܝܢ܃ ܗܝܟ ܫܘܪܐ ܠܗܠܝܢ ܕܠܐ ܡܟܪ̈ܝܢ ܐܬܪܐ ܕܠܐ ܥܠܠܐ‏ : rugged mountains like a wall for those who are not familiar with the place, impassable
See the entire entry for qəšē adj. hard