MetTheoSyc 351:a.13 :ܡܐ ܕܢ݁ܦܚܝܢ ܡܓ‍[‍ܪ̈ܣܐ ܠܡ̈ܥܝܐ ܒܡܥܒܪܬܐ ܕܪܘܚܐ܂ ܩܠܐ ܗ݀ܘܐ‏ : when butchers inflate bladders, a sound is produced by the passing of wind
See the entire entry for maˁbərā, maˁbartā n.f. crossing, passing through