FMSD 19.1:1 :ܘܫܝܪܝܬ ܕܝ ܐܘܪ̈ܣ ܒܫܗܪܐ ܗܘܐ ܡܫܠܡ܀‏ : while he would complete the remaining canonical hours awake
See the entire entry for hwrˀ n.m. canonical hour