Hom1 7.2:12 :ܘܡܪܟܪܟ ܠܗܘܢ ‍{‍‍{‍ܒ‍}‍‍}‍ܡܝܫܚܐ‏ : he softens them with oil
See the entire entry for rkrk vb. to soften