Kays 255:21 :ܘܡܒܝܐܝܢܝ̈ܬܐ ܕܠܐ ܡ݂ܨܝܐ ܠܒܢܝ̈ܢܫܐ ܠܡܪܟܒܘ݂‏ : consoling (sounds) that humans cannot compose
See the entire entry for mḇayyān, mḇayyānā nom.ag.D consoler