M.b.Serapion 45:2 :ܘܒܙ̈ܘܥܘܗܝ ܐܝܟ ܩܢܝܐ ܡܢ ܐܝ̈ܕܝ ܪܘܚܐ݂ ܡܬܪܘܛܝܢ ܚܢܢ‏ : through its movements we are made to vibrate like a reed from the power of the wind
See the entire entry for rwṭ vb. to run; Dt to vibrate