IVMac2:8 :ܡܚܫܒ ܒܫ̈ܒܐ܂ ܘܫܒ݁ܩ ܡܢ ܡܐ ܕܡܬܚܝܒ ܠܗ‏ : he takes the sabbatical years into account and forgives what is owed him
See the entire entry for šabbā{šubbā), šabbəṯā (šubbəṯā) n.f. sabbath; week