IshLevit 81:24 :ܟܕ ܠܐ ܦ݁ܣܩ ܩܛܠܐ ܥܠܘܗܝ ܡܛܠ ܐܡܗܘܬܐ‏ : not decreeing killing on him because of status as maidservant
See the entire entry for ˀamhū, ˀamhūṯā n.f. service as a maid