Ps-Clem Hom 10.252:32 :ܐܦ ܗܢ݂ܘܢ ܠܡܚܬܘ ܡܫܟܚܝܢ ܗܢ݁ܘܢ ܕܐܦܠܐ ܢܦܫܗܘܢ ܡܙܚܙܚܝܢ‏ : are they even able to bring down (rain), those who are not even able to move themselves
See the entire entry for zḥzḥ vb. to move