LSt.153:6 :ܡ݁ܢ ܕܟܕ ܡܝܠܠ/ܡܡܠܠ/ ܥܫܝܢ ܩܠܗ ܒܫܘܪܝܐ ܘܡܬܩܛܢ ܟܕ ܡܫܠܡ‏ : someone who wails (var. speaks) with a strong voice to begin with but gets finer and finer as he finishes
See the entire entry for qṭn vb. to be small, thin