ChronEdess 2:23 :ܘܡܐ ܕܐܪܓܫܘ ܒܠܠܝܐ ܘܫܡܥܘ ܩܠܐ ܕܡ̈ܝܐ ܢܘܟܪ̈ܝܐ ܕܫܪܝܘ ܕܢܥܠܘܢ‏ : when they sensed at night and heard the sound of the strange water that had begun to come in
See the entire entry for rgš vb. to rage; sense