LSt.90:7 :ܕܙܠܘ ܟܢܫܘ ܠܡܫܚܐ ܗ݀ܘ ܡܢ ܐܦܝ̈ܗ݀ ܕܝܬܒܬܐ‏ : go collect the oil from the surface of the excrement
See the entire entry for īṯeḇtā n.f. excrement