IshEz 44(6) :ܫܒܘܥܐ ܪܒܐ ܕܚܡܫܝܢ ܫ̈ܢܝܢ܃ ܕܡܬܩܪܐ ܡܢ ܥܒܪܝܐ ܝܘܒܠܝܐ‏ : the great cycle of fifty years, which is called 'jubilee' in Hebrew
See the entire entry for šāḇōˁ, šāḇōˁā n.m. week