M.b.Serapion 44:2 :ܡ̈ܣܩܬܐ ܐܢܝܢ ܓܝܪ ܘܡ̈ܚܬܬܐ ܐܢܝܢ ܕܙܒܢ̈ܐ‏ : for they are the ups and downs of the times
See the entire entry for maḥḥəṯā, maḥḥatṯā n.f. descent