slìob

stroke, rub, lick, Irish sliobhaim, polish, Middle Irish slipthe, whettened, slibad, whetting, Welsh yslipan, burnish; from Norse or Anglo-Saxon - Norse slípa, whet, make sleek, Anglo-Saxon slípan, slip, glide, Middle L.German slípen, sharpen, Middle Dutch slijpen, polish, sharpen.