IshIsa 20:2 :ܛܘܪ̈ܝ ܡܕܝ ܕܡܬܦܠܚܝܢ ܘܡܙܕܪܥܝܢ ܡܛܠ ܡܫܘܝܢܘܬܗܘܢ‏ : the Medean mountains, which are worked and sown due to their levelness
See the entire entry for məšawwəyānū, məšawwəyānūṯā n.f. leveling