OS LkSin2:37 :ܘܫܪܟܐ ܕܝܢ ܕܥܘܡܪܗ ܒܐܪܡܠܘܬܐ ܗܘܬ ܫܢ̈ܝܢ ܬܡܢ̈ܐܝܢ ܘܐܪ̈ܒܥ‏ : the remainder of her time in widowhood was eighty-four years
See the entire entry for tmānīn num. eighty